FHIR IG analytics

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Narrative

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Generated Narrative: StructureDefinition ext-R4B-Citation.citedArtifact

Name	Flags	Card.	Type	Description & Constraints
Extension		0..1	Extension(4.0.1)	R4B: The article or artifact being described (new)
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:identifier		0..*	Extension	R4B: May include DOI, PMID, PMCID, etc. (new)
url		1..1	uri	"identifier"
value[x]		0..1	Identifier	May include DOI, PMID, PMCID, etc.
extension:relatedIdentifier		0..*	Extension	R4B: May include trial registry identifiers (new)
url		1..1	uri	"relatedIdentifier"
value[x]		0..1	Identifier	May include trial registry identifiers
extension:dateAccessed		0..1	Extension	R4B: When the cited artifact was accessed (new)
url		1..1	uri	"dateAccessed"
value[x]		0..1	dateTime	When the cited artifact was accessed
extension:version		0..1	Extension	R4B: The defined version of the cited artifact (new)
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
extension:value		1..1	Extension	R4B: The version number or other version identifier (new)
url		1..1	uri	"value"
value[x]		1..1	string	The version number or other version identifier
extension:baseCitation		0..1	Extension	R4B: Citation for the main version of the cited artifact (new)
url		1..1	uri	"baseCitation"
value[x]		0..1	Reference(Cross-version Profile for R4B.Citation for use in FHIR R4(0.1.0) | Basic)	Citation for the main version of the cited artifact
url		1..1	uri	"version"
value[x]		0..0		Value of extension
extension:currentState		0..*	Extension	R4B: The status of the cited artifact (new)
url		1..1	uri	"currentState"
value[x]		0..1	CodeableConcept	The status of the cited artifact Binding: R4BCitedArtifactStatusTypeForR4 (0.1.0) (extensible)
extension:statusDate		0..*	Extension	R4B: An effective date or period for a status of the cited artifact (new)
Slices for extension		2..*	Extension	Extension Slice: Unordered, Open by value:url
extension:activity		1..1	Extension	R4B: Classification of the status (new)
url		1..1	uri	"activity"
value[x]		1..1	CodeableConcept	Classification of the status Binding: R4BCitedArtifactStatusTypeForR4 (0.1.0) (extensible)
extension:actual		0..1	Extension	R4B: Either occurred or expected (new)
url		1..1	uri	"actual"
value[x]		0..1	boolean	Either occurred or expected
extension:period		1..1	Extension	R4B: When the status started and/or ended (new)
url		1..1	uri	"period"
value[x]		1..1	Period	When the status started and/or ended
url		1..1	uri	"statusDate"
value[x]		0..0		Value of extension
extension:title		0..*	Extension	R4B: The title details of the article or artifact (new)
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
extension:type		0..*	Extension	R4B: The kind of title (new)
url		1..1	uri	"type"
value[x]		0..1	CodeableConcept	The kind of title Binding: R4BTitleTypeForR4 (0.1.0) (extensible)
extension:language		0..1	Extension	R4B: Used to express the specific language (new)
url		1..1	uri	"language"
value[x]		0..1	CodeableConcept	Used to express the specific language Binding: CommonLanguages (preferred)
extension:text		1..1	Extension	R4B: The title of the article or artifact (new)
url		1..1	uri	"text"
value[x]		1..1	markdown	The title of the article or artifact
url		1..1	uri	"title"
value[x]		0..0		Value of extension
extension:abstract		0..*	Extension	R4B: Summary of the article or artifact (new)
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
extension:type		0..1	Extension	R4B: The kind of abstract (new)
url		1..1	uri	"type"
value[x]		0..1	CodeableConcept	The kind of abstract Binding: R4BCitedArtifactAbstractTypeForR4 (0.1.0) (extensible)
extension:language		0..1	Extension	R4B: Used to express the specific language (new)
url		1..1	uri	"language"
value[x]		0..1	CodeableConcept	Used to express the specific language Binding: CommonLanguages (preferred)
extension:text		1..1	Extension	R4B: Abstract content (new)
url		1..1	uri	"text"
value[x]		1..1	markdown	Abstract content
extension:copyright		0..1	Extension	R4B: Copyright notice for the abstract (new)
url		1..1	uri	"copyright"
value[x]		0..1	markdown	Copyright notice for the abstract
url		1..1	uri	"abstract"
value[x]		0..0		Value of extension
extension:part		0..1	Extension	R4B: The component of the article or artifact (new)
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:type		0..1	Extension	R4B: The kind of component (new)
url		1..1	uri	"type"
value[x]		0..1	CodeableConcept	The kind of component Binding: R4BCitedArtifactPartTypeForR4 (0.1.0) (extensible)
extension:value		0..1	Extension	R4B: The specification of the component (new)
url		1..1	uri	"value"
value[x]		0..1	string	The specification of the component
extension:baseCitation		0..1	Extension	R4B: The citation for the full article or artifact (new)
url		1..1	uri	"baseCitation"
value[x]		0..1	Reference(Cross-version Profile for R4B.Citation for use in FHIR R4(0.1.0) | Basic)	The citation for the full article or artifact
url		1..1	uri	"part"
value[x]		0..0		Value of extension
extension:relatesTo		0..*	Extension	R4B: The artifact related to the cited artifact (new)
Slices for extension		2..*	Extension	Extension Slice: Unordered, Open by value:url
extension:relationshipType		1..1	Extension	R4B: How the cited artifact relates to the target artifact (new)
url		1..1	uri	"relationshipType"
value[x]		1..1	CodeableConcept	How the cited artifact relates to the target artifact Binding: R4BArtifactRelationshipTypeForR4 (0.1.0) (extensible)
extension:targetClassifier		0..*	Extension	R4B: The clasification of the related artifact (new)
url		1..1	uri	"targetClassifier"
value[x]		0..1	CodeableConcept	The clasification of the related artifact Binding: R4BCitationArtifactClassifierForR4 (0.1.0) (example)
extension:target		1..1	Extension	R4B: The article or artifact that the cited artifact is related to (new)
url		1..1	uri	"target"
value[x]		1..1		The article or artifact that the cited artifact is related to
valueUri			uri
valueIdentifier			Identifier
valueReference			Reference(Cross-version Profile for R4B.Resource for use in FHIR R4(0.1.0) | Resource)
valueAttachment			Attachment
url		1..1	uri	"relatesTo"
value[x]		0..0		Value of extension
extension:publicationForm		0..*	Extension	R4B: If multiple, used to represent alternative forms of the article that are not separate citations (new)
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:publishedIn		0..1	Extension	R4B: The collection the cited article or artifact is published in (new)
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:type		0..1	Extension	R4B: Kind of container (e.g. Periodical, database, or book) (new)
url		1..1	uri	"type"
value[x]		0..1	CodeableConcept	Kind of container (e.g. Periodical, database, or book) Binding: R4BPublishedInTypeForR4 (0.1.0) (extensible)
extension:identifier		0..*	Extension	R4B: Journal identifiers include ISSN, ISO Abbreviation and NLMuniqueID; Book identifiers include ISBN (new)
url		1..1	uri	"identifier"
value[x]		0..1	Identifier	Journal identifiers include ISSN, ISO Abbreviation and NLMuniqueID; Book identifiers include ISBN
extension:title		0..1	Extension	R4B: Name of the database or title of the book or journal (new)
url		1..1	uri	"title"
value[x]		0..1	string	Name of the database or title of the book or journal
extension:publisher		0..1	Extension	R4B: Name of the publisher (new)
url		1..1	uri	"publisher"
value[x]		0..1	Reference(Cross-version Profile for R4B.Organization for use in FHIR R4(0.1.0) | Organization)	Name of the publisher
extension:publisherLocation		0..1	Extension	R4B: Geographic location of the publisher (new)
url		1..1	uri	"publisherLocation"
value[x]		0..1	string	Geographic location of the publisher
url		1..1	uri	"publishedIn"
value[x]		0..0		Value of extension
extension:periodicRelease		0..1	Extension	R4B: The specific issue in which the cited article resides (new)
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:citedMedium		0..1	Extension	R4B: Internet or Print (new)
url		1..1	uri	"citedMedium"
value[x]		0..1	CodeableConcept	Internet or Print Binding: R4BCitedMediumForR4 (0.1.0) (extensible)
extension:volume		0..1	Extension	R4B: Volume number of journal in which the article is published (new)
url		1..1	uri	"volume"
value[x]		0..1	string	Volume number of journal in which the article is published
extension:issue		0..1	Extension	R4B: Issue, part or supplement of journal in which the article is published (new)
url		1..1	uri	"issue"
value[x]		0..1	string	Issue, part or supplement of journal in which the article is published
extension:dateOfPublication		0..1	Extension	R4B: Defining the date on which the issue of the journal was published (new)
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:date		0..1	Extension	R4B: Date on which the issue of the journal was published (new)
url		1..1	uri	"date"
value[x]		0..1	date	Date on which the issue of the journal was published
extension:year		0..1	Extension	R4B: Year on which the issue of the journal was published (new)
url		1..1	uri	"year"
value[x]		0..1	string	Year on which the issue of the journal was published
extension:month		0..1	Extension	R4B: Month on which the issue of the journal was published (new)
url		1..1	uri	"month"
value[x]		0..1	string	Month on which the issue of the journal was published
extension:day		0..1	Extension	R4B: Day on which the issue of the journal was published (new)
url		1..1	uri	"day"
value[x]		0..1	string	Day on which the issue of the journal was published
extension:season		0..1	Extension	R4B: Season on which the issue of the journal was published (new)
url		1..1	uri	"season"
value[x]		0..1	string	Season on which the issue of the journal was published
extension:text		0..1	Extension	R4B: Text representation of the date of which the issue of the journal was published (new)
url		1..1	uri	"text"
value[x]		0..1	string	Text representation of the date of which the issue of the journal was published
url		1..1	uri	"dateOfPublication"
value[x]		0..0		Value of extension
url		1..1	uri	"periodicRelease"
value[x]		0..0		Value of extension
extension:articleDate		0..1	Extension	R4B: The date the article was added to the database, or the date the article was released (new)
url		1..1	uri	"articleDate"
value[x]		0..1	dateTime	The date the article was added to the database, or the date the article was released
extension:lastRevisionDate		0..1	Extension	R4B: The date the article was last revised or updated in the database (new)
url		1..1	uri	"lastRevisionDate"
value[x]		0..1	dateTime	The date the article was last revised or updated in the database
extension:language		0..*	Extension	R4B: Language in which this form of the article is published (new)
url		1..1	uri	"language"
value[x]		0..1	CodeableConcept	Language in which this form of the article is published Binding: CommonLanguages (preferred)
extension:accessionNumber		0..1	Extension	R4B: Entry number or identifier for inclusion in a database (new)
url		1..1	uri	"accessionNumber"
value[x]		0..1	string	Entry number or identifier for inclusion in a database
extension:pageString		0..1	Extension	R4B: Used for full display of pagination (new)
url		1..1	uri	"pageString"
value[x]		0..1	string	Used for full display of pagination
extension:firstPage		0..1	Extension	R4B: Used for isolated representation of first page (new)
url		1..1	uri	"firstPage"
value[x]		0..1	string	Used for isolated representation of first page
extension:lastPage		0..1	Extension	R4B: Used for isolated representation of last page (new)
url		1..1	uri	"lastPage"
value[x]		0..1	string	Used for isolated representation of last page
extension:pageCount		0..1	Extension	R4B: Number of pages or screens (new)
url		1..1	uri	"pageCount"
value[x]		0..1	string	Number of pages or screens
extension:copyright		0..1	Extension	R4B: Copyright notice for the full article or artifact (new)
url		1..1	uri	"copyright"
value[x]		0..1	markdown	Copyright notice for the full article or artifact
url		1..1	uri	"publicationForm"
value[x]		0..0		Value of extension
extension:webLocation		0..*	Extension	R4B: Used for any URL for the article or artifact cited (new)
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:type		0..1	Extension	R4B: Code the reason for different URLs, e.g. abstract and full-text (new)
url		1..1	uri	"type"
value[x]		0..1	CodeableConcept	Code the reason for different URLs, e.g. abstract and full-text Binding: R4BArticleUrlTypeForR4 (0.1.0) (extensible)
extension:url		0..1	Extension	R4B: The specific URL (new)
url		1..1	uri	"url"
value[x]		0..1	uri	The specific URL
url		1..1	uri	"webLocation"
value[x]		0..0		Value of extension
extension:classification		0..*	Extension	R4B: The assignment to an organizing scheme (new)
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:type		0..1	Extension	R4B: The kind of classifier (e.g. publication type, keyword) (new)
url		1..1	uri	"type"
value[x]		0..1	CodeableConcept	The kind of classifier (e.g. publication type, keyword) Binding: R4BCitedArtifactClassificationTypeForR4 (0.1.0) (extensible)
extension:classifier		0..*	Extension	R4B: The specific classification value (new)
url		1..1	uri	"classifier"
value[x]		0..1	CodeableConcept	The specific classification value Binding: R4BCitationArtifactClassifierForR4 (0.1.0) (example)
extension:whoClassified		0..1	Extension	R4B: Provenance and copyright of classification (new)
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:person		0..1	Extension	R4B: Person who created the classification (new)
url		1..1	uri	"person"
value[x]		0..1	Reference(Cross-version Profile for R4B.Person for use in FHIR R4(0.1.0) | Person | Cross-version Profile for R4B.Practitioner for use in FHIR R4(0.1.0) | Practitioner)	Person who created the classification
extension:organization		0..1	Extension	R4B: Organization who created the classification (new)
url		1..1	uri	"organization"
value[x]		0..1	Reference(Cross-version Profile for R4B.Organization for use in FHIR R4(0.1.0) | Organization)	Organization who created the classification
extension:publisher		0..1	Extension	R4B: The publisher of the classification, not the publisher of the article or artifact being cited (new)
url		1..1	uri	"publisher"
value[x]		0..1	Reference(Cross-version Profile for R4B.Organization for use in FHIR R4(0.1.0) | Organization)	The publisher of the classification, not the publisher of the article or artifact being cited
extension:classifierCopyright		0..1	Extension	R4B: Rights management statement for the classification (new)
url		1..1	uri	"classifierCopyright"
value[x]		0..1	string	Rights management statement for the classification
extension:freeToShare		0..1	Extension	R4B: Acceptable to re-use the classification (new)
url		1..1	uri	"freeToShare"
value[x]		0..1	boolean	Acceptable to re-use the classification
url		1..1	uri	"whoClassified"
value[x]		0..0		Value of extension
url		1..1	uri	"classification"
value[x]		0..0		Value of extension
extension:contributorship		0..1	Extension	R4B: Attribution of authors and other contributors (new)
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:complete		0..1	Extension	R4B: Indicates if the list includes all authors and/or contributors (new)
url		1..1	uri	"complete"
value[x]		0..1	boolean	Indicates if the list includes all authors and/or contributors
extension:entry		0..*	Extension	R4B: An individual entity named in the list (new)
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:name		0..1	Extension	R4B: A name associated with the person (new)
url		1..1	uri	"name"
value[x]		0..1	HumanName	A name associated with the person
extension:initials		0..1	Extension	R4B: Initials for forename (new)
url		1..1	uri	"initials"
value[x]		0..1	string	Initials for forename
extension:collectiveName		0..1	Extension	R4B: Used for collective or corporate name as an author (new)
url		1..1	uri	"collectiveName"
value[x]		0..1	string	Used for collective or corporate name as an author
extension:identifier		0..*	Extension	R4B: Author identifier, eg ORCID (new)
url		1..1	uri	"identifier"
value[x]		0..1	Identifier	Author identifier, eg ORCID
extension:affiliationInfo		0..*	Extension	R4B: Organizational affiliation (new)
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:affiliation		0..1	Extension	R4B: Display for the organization (new)
url		1..1	uri	"affiliation"
value[x]		0..1	string	Display for the organization
extension:role		0..1	Extension	R4B: Role within the organization, such as professional title (new)
url		1..1	uri	"role"
value[x]		0..1	string	Role within the organization, such as professional title
extension:identifier		0..*	Extension	R4B: Identifier for the organization (new)
url		1..1	uri	"identifier"
value[x]		0..1	Identifier	Identifier for the organization
url		1..1	uri	"affiliationInfo"
value[x]		0..0		Value of extension
extension:address		0..*	Extension	R4B: Physical mailing address (new)
url		1..1	uri	"address"
value[x]		0..1	Address	Physical mailing address
extension:telecom		0..*	Extension	R4B: Email or telephone contact methods for the author or contributor (new)
url		1..1	uri	"telecom"
value[x]		0..1	ContactPoint	Email or telephone contact methods for the author or contributor
extension:contributionType		0..*	Extension	R4B: The specific contribution (new)
url		1..1	uri	"contributionType"
value[x]		0..1	CodeableConcept	The specific contribution Binding: R4BArtifactContributionTypeForR4 (0.1.0) (extensible)
extension:role		0..1	Extension	R4B: The role of the contributor (e.g. author, editor, reviewer) (new)
url		1..1	uri	"role"
value[x]		0..1	CodeableConcept	The role of the contributor (e.g. author, editor, reviewer) Binding: R4BContributorRoleForR4 (0.1.0) (extensible)
extension:contributionInstance		0..*	Extension	R4B: Contributions with accounting for time or number (new)
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
extension:type		1..1	Extension	R4B: The specific contribution (new)
url		1..1	uri	"type"
value[x]		1..1	CodeableConcept	The specific contribution Binding: R4BArtifactContributionInstanceTypeForR4 (0.1.0) (extensible)
extension:time		0..1	Extension	R4B: The time that the contribution was made (new)
url		1..1	uri	"time"
value[x]		0..1	dateTime	The time that the contribution was made
url		1..1	uri	"contributionInstance"
value[x]		0..0		Value of extension
extension:correspondingContact		0..1	Extension	R4B: Indication of which contributor is the corresponding contributor for the role (new)
url		1..1	uri	"correspondingContact"
value[x]		0..1	boolean	Indication of which contributor is the corresponding contributor for the role
extension:listOrder		0..1	Extension	R4B: Used to code order of authors (new)
url		1..1	uri	"listOrder"
value[x]		0..1	positiveInt	Used to code order of authors
url		1..1	uri	"entry"
value[x]		0..0		Value of extension
extension:summary		0..*	Extension	R4B: Used to record a display of the author/contributor list without separate coding for each list member (new)
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
extension:type		0..1	Extension	R4B: Either authorList or contributorshipStatement (new)
url		1..1	uri	"type"
value[x]		0..1	CodeableConcept	Either authorList or contributorshipStatement Binding: R4BContributorSummaryTypeForR4 (0.1.0) (extensible)
extension:style		0..1	Extension	R4B: The format for the display string (new)
url		1..1	uri	"style"
value[x]		0..1	CodeableConcept	The format for the display string Binding: R4BContributorSummaryStyleForR4 (0.1.0) (extensible)
extension:source		0..1	Extension	R4B: Used to code the producer or rule for creating the display string (new)
url		1..1	uri	"source"
value[x]		0..1	CodeableConcept	Used to code the producer or rule for creating the display string Binding: R4BContributorSummarySourceForR4 (0.1.0) (extensible)
extension:value		1..1	Extension	R4B: The display string for the author list, contributor list, or contributorship statement (new)
url		1..1	uri	"value"
value[x]		1..1	markdown	The display string for the author list, contributor list, or contributorship statement
url		1..1	uri	"summary"
value[x]		0..0		Value of extension
url		1..1	uri	"contributorship"
value[x]		0..0		Value of extension
extension:note		0..*	Extension	R4B: Any additional information or content for the article or artifact (new)
url		1..1	uri	"note"
value[x]		0..1	Annotation	Any additional information or content for the article or artifact
url		1..1	uri	"http://hl7.org/fhir/4.3/StructureDefinition/extension-Citation.citedArtifact"
value[x]		0..0		Value of extension
Documentation for this format

Source1

{
  "resourceType": "StructureDefinition",
  "id": "ext-R4B-Citation.citedArtifact",
  "text": {
    "status": "extensions",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    },
    {
      "extension": [
        {
          "url": "packageId",
          "valueId": "hl7.fhir.uv.xver-r4b.r4"
        },
        {
          "url": "version",
          "valueString": "0.1.0"
        },
        {
          "url": "uri",
          "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4b.r4"
        }
      ],
      "url": "http://hl7.org/fhir/StructureDefinition/package-source"
    },
    {
      "extension": [
        {
          "url": "startFhirVersion",
          "valueCode": "4.0"
        },
        {
          "url": "endFhirVersion",
          "valueCode": "4.0"
        }
      ],
      "url": "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 0,
      "_valueInteger": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4b.r4"
          }
        ]
      }
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "trial-use",
      "_valueCode": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4b.r4"
          }
        ]
      }
    }
  ],
  "url": "http://hl7.org/fhir/4.3/StructureDefinition/extension-Citation.citedArtifact",
  "version": "0.1.0",
  "name": "ExtensionCitation_CitedArtifact",
  "title": "R4B: The article or artifact being described (new)",
  "status": "active",
  "experimental": false,
  "date": "2026-03-17T21:02:03.8104715+00:00",
  "publisher": "FHIR Infrastructure",
  "contact": [
    {
      "name": "FHIR Infrastructure",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/fiwg"
        }
      ]
    }
  ],
  "description": "R4B: `Citation.citedArtifact` (new:BackboneElement)",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001",
          "display": "World"
        }
      ]
    }
  ],
  "purpose": "This extension is part of the cross-version definitions generated to enable use of the\r\nelement `Citation.citedArtifact` as defined in FHIR R4B\r\nin FHIR R4.\r\n\r\nThe source element is defined as:\r\n`Citation.citedArtifact` 0..1 `BackboneElement`\r\n\r\nFollowing are the generation technical comments:\r\nElement `Citation.citedArtifact` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
  "fhirVersion": "4.0.1",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "Basic"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1",
  "derivation": "constraint",
  "snapshot": {
    "extension": [
      {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
        "valueString": "4.0.1"
      }
    ],
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "R4B: The article or artifact being described (new)",
        "definition": "R4B: `Citation.citedArtifact` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension",
          "min": 0,
          "max": "*"
        },
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Extension.id",
        "path": "Extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:identifier",
        "path": "Extension.extension",
        "sliceName": "identifier",
        "short": "R4B: May include DOI, PMID, PMCID, etc. (new)",
        "definition": "R4B: `Citation.citedArtifact.identifier` (new:Identifier)",
        "comment": "Element `Citation.citedArtifact.identifier` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nMay include DOI, PMID, PMCID, etc. This element will contain unique identifiers that support de-duplication of citations. This identifier can be valid for only one citation resource.",
        "requirements": "Allows externally provided and/or usable identifiers to be associated with this citation. Element `Citation.citedArtifact.identifier` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:identifier.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:identifier.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:identifier.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "identifier",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:identifier.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "May include DOI, PMID, PMCID, etc.",
        "definition": "A formal identifier that is used to identify this citation when it is represented in other formats, or referenced in a specification, model, design or an instance.",
        "comment": "May include DOI, PMID, PMCID, etc. This element will contain unique identifiers that support de-duplication of citations. This identifier can be valid for only one citation resource.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Identifier"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:relatedIdentifier",
        "path": "Extension.extension",
        "sliceName": "relatedIdentifier",
        "short": "R4B: May include trial registry identifiers (new)",
        "definition": "R4B: `Citation.citedArtifact.relatedIdentifier` (new:Identifier)",
        "comment": "Element `Citation.citedArtifact.relatedIdentifier` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.relatedIdentifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatedIdentifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nMay include trial registry identifiers, e.g. NCT04372602 from clinicaltrials.gov. This identifier can be valid for multiple citation resources.",
        "requirements": "Allows externally provided and/or usable identifiers to be associated with this citation. Element `Citation.citedArtifact.relatedIdentifier` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.relatedIdentifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatedIdentifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:relatedIdentifier.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:relatedIdentifier.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:relatedIdentifier.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "relatedIdentifier",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:relatedIdentifier.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "May include trial registry identifiers",
        "definition": "A formal identifier that is used to identify things closely related to this citation.",
        "comment": "May include trial registry identifiers, e.g. NCT04372602 from clinicaltrials.gov. This identifier can be valid for multiple citation resources.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Identifier"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:dateAccessed",
        "path": "Extension.extension",
        "sliceName": "dateAccessed",
        "short": "R4B: When the cited artifact was accessed (new)",
        "definition": "R4B: `Citation.citedArtifact.dateAccessed` (new:dateTime)",
        "comment": "Element `Citation.citedArtifact.dateAccessed` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.dateAccessed` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.dateAccessed` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.dateAccessed` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.dateAccessed` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.dateAccessed` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:dateAccessed.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:dateAccessed.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:dateAccessed.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "dateAccessed",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:dateAccessed.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "When the cited artifact was accessed",
        "definition": "When the cited artifact was accessed.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "dateTime"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:version",
        "path": "Extension.extension",
        "sliceName": "version",
        "short": "R4B: The defined version of the cited artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.version` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.version` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.version` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.version` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.version` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.version` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.version` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:version.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:version.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:version.extension:value",
        "path": "Extension.extension.extension",
        "sliceName": "value",
        "short": "R4B: The version number or other version identifier (new)",
        "definition": "R4B: `Citation.citedArtifact.version.value` (new:string)",
        "comment": "Element `Citation.citedArtifact.version.value` is part of an existing definition because parent element `Citation.citedArtifact.version` requires a cross-version extension.\nElement `Citation.citedArtifact.version.value` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.version.value` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.version.value` is part of an existing definition because parent element `Citation.citedArtifact.version` requires a cross-version extension.\nElement `Citation.citedArtifact.version.value` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.version.value` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:version.extension:value.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:version.extension:value.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:version.extension:value.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "value",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:version.extension:value.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The version number or other version identifier",
        "definition": "The version number or other version identifier.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:version.extension:baseCitation",
        "path": "Extension.extension.extension",
        "sliceName": "baseCitation",
        "short": "R4B: Citation for the main version of the cited artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.version.baseCitation` (new:Reference(Citation))",
        "comment": "Element `Citation.citedArtifact.version.baseCitation` is part of an existing definition because parent element `Citation.citedArtifact.version` requires a cross-version extension.\nElement `Citation.citedArtifact.version.baseCitation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.version.baseCitation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.version.baseCitation` is part of an existing definition because parent element `Citation.citedArtifact.version` requires a cross-version extension.\nElement `Citation.citedArtifact.version.baseCitation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.version.baseCitation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:version.extension:baseCitation.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:version.extension:baseCitation.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:version.extension:baseCitation.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "baseCitation",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:version.extension:baseCitation.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Citation for the main version of the cited artifact",
        "definition": "Citation for the main version of the cited artifact.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Citation|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Basic|4.0.1"
            ]
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:version.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "version",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:version.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:currentState",
        "path": "Extension.extension",
        "sliceName": "currentState",
        "short": "R4B: The status of the cited artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.currentState` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.currentState` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.currentState` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.currentState` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.currentState` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.currentState` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.currentState` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:currentState.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:currentState.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:currentState.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "currentState",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:currentState.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "The status of the cited artifact",
        "definition": "The status of the cited artifact.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-cited-artifact-status-type-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate",
        "path": "Extension.extension",
        "sliceName": "statusDate",
        "short": "R4B: An effective date or period for a status of the cited artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.statusDate` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.statusDate` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.statusDate` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:statusDate.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 2,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:statusDate.extension:activity",
        "path": "Extension.extension.extension",
        "sliceName": "activity",
        "short": "R4B: Classification of the status (new)",
        "definition": "R4B: `Citation.citedArtifact.statusDate.activity` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.statusDate.activity` is part of an existing definition because parent element `Citation.citedArtifact.statusDate` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate.activity` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate.activity` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.statusDate.activity` is part of an existing definition because parent element `Citation.citedArtifact.statusDate` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate.activity` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate.activity` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:statusDate.extension:activity.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.extension:activity.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.extension:activity.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "activity",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.extension:activity.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Classification of the status",
        "definition": "Classification of the status.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-cited-artifact-status-type-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.extension:actual",
        "path": "Extension.extension.extension",
        "sliceName": "actual",
        "short": "R4B: Either occurred or expected (new)",
        "definition": "R4B: `Citation.citedArtifact.statusDate.actual` (new:boolean)",
        "comment": "Element `Citation.citedArtifact.statusDate.actual` is part of an existing definition because parent element `Citation.citedArtifact.statusDate` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate.actual` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate.actual` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.statusDate.actual` is part of an existing definition because parent element `Citation.citedArtifact.statusDate` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate.actual` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate.actual` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:statusDate.extension:actual.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.extension:actual.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.extension:actual.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "actual",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.extension:actual.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Either occurred or expected",
        "definition": "Either occurred or expected.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.extension:period",
        "path": "Extension.extension.extension",
        "sliceName": "period",
        "short": "R4B: When the status started and/or ended (new)",
        "definition": "R4B: `Citation.citedArtifact.statusDate.period` (new:Period)",
        "comment": "Element `Citation.citedArtifact.statusDate.period` is part of an existing definition because parent element `Citation.citedArtifact.statusDate` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate.period` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate.period` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nFor an instance, place the same value in both start and end elements.",
        "requirements": "Element `Citation.citedArtifact.statusDate.period` is part of an existing definition because parent element `Citation.citedArtifact.statusDate` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate.period` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate.period` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:statusDate.extension:period.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.extension:period.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.extension:period.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "period",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.extension:period.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "When the status started and/or ended",
        "definition": "When the status started and/or ended.",
        "comment": "For an instance, place the same value in both start and end elements.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Period"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "statusDate",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:title",
        "path": "Extension.extension",
        "sliceName": "title",
        "short": "R4B: The title details of the article or artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.title` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.title` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.title` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.title` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.title` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:title.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:title.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:title.extension:type",
        "path": "Extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: The kind of title (new)",
        "definition": "R4B: `Citation.citedArtifact.title.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.title.type` is part of an existing definition because parent element `Citation.citedArtifact.title` requires a cross-version extension.\nElement `Citation.citedArtifact.title.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.title.type` is part of an existing definition because parent element `Citation.citedArtifact.title` requires a cross-version extension.\nElement `Citation.citedArtifact.title.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:title.extension:type.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:title.extension:type.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:title.extension:type.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "type",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:title.extension:type.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The kind of title",
        "definition": "Used to express the reason or specific aspect for the title.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-title-type-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:title.extension:language",
        "path": "Extension.extension.extension",
        "sliceName": "language",
        "short": "R4B: Used to express the specific language (new)",
        "definition": "R4B: `Citation.citedArtifact.title.language` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.title.language` is part of an existing definition because parent element `Citation.citedArtifact.title` requires a cross-version extension.\nElement `Citation.citedArtifact.title.language` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title.language` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.title.language` is part of an existing definition because parent element `Citation.citedArtifact.title` requires a cross-version extension.\nElement `Citation.citedArtifact.title.language` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title.language` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:title.extension:language.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:title.extension:language.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:title.extension:language.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "language",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:title.extension:language.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Used to express the specific language",
        "definition": "Used to express the specific language.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "preferred",
          "valueSet": "http://hl7.org/fhir/ValueSet/languages|4.0.1"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:title.extension:text",
        "path": "Extension.extension.extension",
        "sliceName": "text",
        "short": "R4B: The title of the article or artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.title.text` (new:markdown)",
        "comment": "Element `Citation.citedArtifact.title.text` is part of an existing definition because parent element `Citation.citedArtifact.title` requires a cross-version extension.\nElement `Citation.citedArtifact.title.text` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title.text` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.title.text` is part of an existing definition because parent element `Citation.citedArtifact.title` requires a cross-version extension.\nElement `Citation.citedArtifact.title.text` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title.text` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:title.extension:text.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:title.extension:text.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:title.extension:text.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "text",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:title.extension:text.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The title of the article or artifact",
        "definition": "The title of the article or artifact.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "markdown"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:title.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "title",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:title.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract",
        "path": "Extension.extension",
        "sliceName": "abstract",
        "short": "R4B: Summary of the article or artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.abstract` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.abstract` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.abstract` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:abstract.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:abstract.extension:type",
        "path": "Extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: The kind of abstract (new)",
        "definition": "R4B: `Citation.citedArtifact.abstract.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.abstract.type` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.abstract.type` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:abstract.extension:type.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:type.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:type.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "type",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:type.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The kind of abstract",
        "definition": "Used to express the reason or specific aspect for the abstract.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-cited-artifact-abstract-type-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:language",
        "path": "Extension.extension.extension",
        "sliceName": "language",
        "short": "R4B: Used to express the specific language (new)",
        "definition": "R4B: `Citation.citedArtifact.abstract.language` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.abstract.language` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.language` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.language` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.abstract.language` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.language` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.language` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:abstract.extension:language.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:language.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:language.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "language",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:language.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Used to express the specific language",
        "definition": "Used to express the specific language.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "preferred",
          "valueSet": "http://hl7.org/fhir/ValueSet/languages|4.0.1"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:text",
        "path": "Extension.extension.extension",
        "sliceName": "text",
        "short": "R4B: Abstract content (new)",
        "definition": "R4B: `Citation.citedArtifact.abstract.text` (new:markdown)",
        "comment": "Element `Citation.citedArtifact.abstract.text` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.text` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.text` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.abstract.text` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.text` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.text` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:abstract.extension:text.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:text.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:text.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "text",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:text.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Abstract content",
        "definition": "Abstract content.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "markdown"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:copyright",
        "path": "Extension.extension.extension",
        "sliceName": "copyright",
        "short": "R4B: Copyright notice for the abstract (new)",
        "definition": "R4B: `Citation.citedArtifact.abstract.copyright` (new:markdown)",
        "comment": "Element `Citation.citedArtifact.abstract.copyright` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.copyright` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.copyright` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.abstract.copyright` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.copyright` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.copyright` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:abstract.extension:copyright.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:copyright.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:copyright.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "copyright",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:copyright.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Copyright notice for the abstract",
        "definition": "Copyright notice for the abstract.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "markdown"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "abstract",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:part",
        "path": "Extension.extension",
        "sliceName": "part",
        "short": "R4B: The component of the article or artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.part` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.part` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.part` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.part` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.part` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:part.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:part.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:part.extension:type",
        "path": "Extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: The kind of component (new)",
        "definition": "R4B: `Citation.citedArtifact.part.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.part.type` is part of an existing definition because parent element `Citation.citedArtifact.part` requires a cross-version extension.\nElement `Citation.citedArtifact.part.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.part.type` is part of an existing definition because parent element `Citation.citedArtifact.part` requires a cross-version extension.\nElement `Citation.citedArtifact.part.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:part.extension:type.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:part.extension:type.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:part.extension:type.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "type",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:part.extension:type.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The kind of component",
        "definition": "The kind of component.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-cited-artifact-part-type-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:part.extension:value",
        "path": "Extension.extension.extension",
        "sliceName": "value",
        "short": "R4B: The specification of the component (new)",
        "definition": "R4B: `Citation.citedArtifact.part.value` (new:string)",
        "comment": "Element `Citation.citedArtifact.part.value` is part of an existing definition because parent element `Citation.citedArtifact.part` requires a cross-version extension.\nElement `Citation.citedArtifact.part.value` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part.value` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.part.value` is part of an existing definition because parent element `Citation.citedArtifact.part` requires a cross-version extension.\nElement `Citation.citedArtifact.part.value` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part.value` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:part.extension:value.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:part.extension:value.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:part.extension:value.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "value",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:part.extension:value.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The specification of the component",
        "definition": "The specification of the component.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:part.extension:baseCitation",
        "path": "Extension.extension.extension",
        "sliceName": "baseCitation",
        "short": "R4B: The citation for the full article or artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.part.baseCitation` (new:Reference(Citation))",
        "comment": "Element `Citation.citedArtifact.part.baseCitation` is part of an existing definition because parent element `Citation.citedArtifact.part` requires a cross-version extension.\nElement `Citation.citedArtifact.part.baseCitation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part.baseCitation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.part.baseCitation` is part of an existing definition because parent element `Citation.citedArtifact.part` requires a cross-version extension.\nElement `Citation.citedArtifact.part.baseCitation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part.baseCitation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:part.extension:baseCitation.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:part.extension:baseCitation.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:part.extension:baseCitation.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "baseCitation",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:part.extension:baseCitation.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The citation for the full article or artifact",
        "definition": "The citation for the full article or artifact.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Citation|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Basic|4.0.1"
            ]
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:part.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "part",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:part.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo",
        "path": "Extension.extension",
        "sliceName": "relatesTo",
        "short": "R4B: The artifact related to the cited artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.relatesTo` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.relatesTo` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.relatesTo` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:relatesTo.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 2,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:relatesTo.extension:relationshipType",
        "path": "Extension.extension.extension",
        "sliceName": "relationshipType",
        "short": "R4B: How the cited artifact relates to the target artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.relatesTo.relationshipType` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.relatesTo.relationshipType` is part of an existing definition because parent element `Citation.citedArtifact.relatesTo` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo.relationshipType` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo.relationshipType` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.relatesTo.relationshipType` is part of an existing definition because parent element `Citation.citedArtifact.relatesTo` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo.relationshipType` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo.relationshipType` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:relatesTo.extension:relationshipType.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.extension:relationshipType.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.extension:relationshipType.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "relationshipType",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.extension:relationshipType.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "How the cited artifact relates to the target artifact",
        "definition": "How the cited artifact relates to the target artifact.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-artifact-relationship-type-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.extension:targetClassifier",
        "path": "Extension.extension.extension",
        "sliceName": "targetClassifier",
        "short": "R4B: The clasification of the related artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.relatesTo.targetClassifier` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.relatesTo.targetClassifier` is part of an existing definition because parent element `Citation.citedArtifact.relatesTo` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo.targetClassifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo.targetClassifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.relatesTo.targetClassifier` is part of an existing definition because parent element `Citation.citedArtifact.relatesTo` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo.targetClassifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo.targetClassifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:relatesTo.extension:targetClassifier.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.extension:targetClassifier.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.extension:targetClassifier.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "targetClassifier",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.extension:targetClassifier.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The clasification of the related artifact",
        "definition": "The clasification of the related artifact.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "example",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-citation-artifact-classifier-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.extension:target",
        "path": "Extension.extension.extension",
        "sliceName": "target",
        "short": "R4B: The article or artifact that the cited artifact is related to (new)",
        "definition": "R4B: `Citation.citedArtifact.relatesTo.target[x]` (new:Attachment, Identifier, Reference(Resource), uri)",
        "comment": "Element `Citation.citedArtifact.relatesTo.target[x]` is part of an existing definition because parent element `Citation.citedArtifact.relatesTo` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo.target[x]` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo.target[x]` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.relatesTo.target[x]` is part of an existing definition because parent element `Citation.citedArtifact.relatesTo` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo.target[x]` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo.target[x]` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:relatesTo.extension:target.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.extension:target.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.extension:target.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "target",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.extension:target.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The article or artifact that the cited artifact is related to",
        "definition": "The article or artifact that the cited artifact is related to.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Resource|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Resource|4.0.1"
            ]
          },
          {
            "code": "Attachment"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "relatesTo",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm",
        "path": "Extension.extension",
        "sliceName": "publicationForm",
        "short": "R4B: If multiple, used to represent alternative forms of the article that are not separate citations (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.publicationForm` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nA common use is a journal article with a publication date and pagination for a print version and a different publication date for the online version of the same article.",
        "requirements": "Element `Citation.citedArtifact.publicationForm` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn",
        "path": "Extension.extension.extension",
        "sliceName": "publishedIn",
        "short": "R4B: The collection the cited article or artifact is published in (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.publishedIn` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.publicationForm.publishedIn` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.publishedIn` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:type",
        "path": "Extension.extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: Kind of container (e.g. Periodical, database, or book) (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.publishedIn.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.publicationForm.publishedIn.type` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nJournals and newspapers are coded as Periodical.",
        "requirements": "Element `Citation.citedArtifact.publicationForm.publishedIn.type` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:type.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:type.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:type.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "type",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:type.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Kind of container (e.g. Periodical, database, or book)",
        "definition": "Kind of container (e.g. Periodical, database, or book).",
        "comment": "Journals and newspapers are coded as Periodical.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-published-in-type-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:identifier",
        "path": "Extension.extension.extension.extension",
        "sliceName": "identifier",
        "short": "R4B: Journal identifiers include ISSN, ISO Abbreviation and NLMuniqueID; Book identifiers include ISBN (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.publishedIn.identifier` (new:Identifier)",
        "comment": "Element `Citation.citedArtifact.publicationForm.publishedIn.identifier` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.publishedIn.identifier` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:identifier.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:identifier.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:identifier.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "identifier",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:identifier.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Journal identifiers include ISSN, ISO Abbreviation and NLMuniqueID; Book identifiers include ISBN",
        "definition": "Journal identifiers include ISSN, ISO Abbreviation and NLMuniqueID; Book identifiers include ISBN.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Identifier"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:title",
        "path": "Extension.extension.extension.extension",
        "sliceName": "title",
        "short": "R4B: Name of the database or title of the book or journal (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.publishedIn.title` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.publishedIn.title` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.title` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.title` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nClinicalTrials.gov is a name of a database.",
        "requirements": "Element `Citation.citedArtifact.publicationForm.publishedIn.title` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.title` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.title` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:title.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:title.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:title.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "title",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:title.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Name of the database or title of the book or journal",
        "definition": "Name of the database or title of the book or journal.",
        "comment": "ClinicalTrials.gov is a name of a database.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisher",
        "path": "Extension.extension.extension.extension",
        "sliceName": "publisher",
        "short": "R4B: Name of the publisher (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.publishedIn.publisher` (new:Reference(Organization))",
        "comment": "Element `Citation.citedArtifact.publicationForm.publishedIn.publisher` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisher` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisher` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.publishedIn.publisher` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisher` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisher` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisher.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisher.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisher.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "publisher",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisher.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Name of the publisher",
        "definition": "Name of the publisher.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Organization|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Organization|4.0.1"
            ]
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisherLocation",
        "path": "Extension.extension.extension.extension",
        "sliceName": "publisherLocation",
        "short": "R4B: Geographic location of the publisher (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.publishedIn.publisherLocation` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.publishedIn.publisherLocation` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisherLocation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisherLocation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.publishedIn.publisherLocation` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisherLocation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisherLocation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisherLocation.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisherLocation.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisherLocation.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "publisherLocation",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisherLocation.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Geographic location of the publisher",
        "definition": "Geographic location of the publisher.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "publishedIn",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease",
        "path": "Extension.extension.extension",
        "sliceName": "periodicRelease",
        "short": "R4B: The specific issue in which the cited article resides (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:citedMedium",
        "path": "Extension.extension.extension.extension",
        "sliceName": "citedMedium",
        "short": "R4B: Internet or Print (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.citedMedium` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.citedMedium` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.citedMedium` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.citedMedium` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nNational Library of Medicine uses the codes \"Internet\" or \"Print\".",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.citedMedium` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.citedMedium` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.citedMedium` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:citedMedium.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:citedMedium.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:citedMedium.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "citedMedium",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:citedMedium.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Internet or Print",
        "definition": "Describes the form of the medium cited. Common codes are \"Internet\" or \"Print\".",
        "comment": "National Library of Medicine uses the codes \"Internet\" or \"Print\".",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-cited-medium-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:volume",
        "path": "Extension.extension.extension.extension",
        "sliceName": "volume",
        "short": "R4B: Volume number of journal in which the article is published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.volume` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.volume` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.volume` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.volume` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.volume` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.volume` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.volume` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:volume.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:volume.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:volume.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "volume",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:volume.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Volume number of journal in which the article is published",
        "definition": "Volume number of journal in which the article is published.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:issue",
        "path": "Extension.extension.extension.extension",
        "sliceName": "issue",
        "short": "R4B: Issue, part or supplement of journal in which the article is published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.issue` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.issue` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.issue` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.issue` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.issue` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.issue` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.issue` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:issue.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:issue.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:issue.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "issue",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:issue.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Issue, part or supplement of journal in which the article is published",
        "definition": "Issue, part or supplement of journal in which the article is published.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication",
        "path": "Extension.extension.extension.extension",
        "sliceName": "dateOfPublication",
        "short": "R4B: Defining the date on which the issue of the journal was published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:date",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "date",
        "short": "R4B: Date on which the issue of the journal was published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date` (new:date)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:date.id",
        "path": "Extension.extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:date.extension",
        "path": "Extension.extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:date.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "date",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:date.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Date on which the issue of the journal was published",
        "definition": "Date on which the issue of the journal was published.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "date"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:year",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "year",
        "short": "R4B: Year on which the issue of the journal was published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:year.id",
        "path": "Extension.extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:year.extension",
        "path": "Extension.extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:year.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "year",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:year.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Year on which the issue of the journal was published",
        "definition": "Year on which the issue of the journal was published.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:month",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "month",
        "short": "R4B: Month on which the issue of the journal was published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:month.id",
        "path": "Extension.extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:month.extension",
        "path": "Extension.extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:month.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "month",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:month.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Month on which the issue of the journal was published",
        "definition": "Month on which the issue of the journal was published.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:day",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "day",
        "short": "R4B: Day on which the issue of the journal was published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:day.id",
        "path": "Extension.extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:day.extension",
        "path": "Extension.extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:day.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "day",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:day.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Day on which the issue of the journal was published",
        "definition": "Day on which the issue of the journal was published.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:season",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "season",
        "short": "R4B: Season on which the issue of the journal was published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:season.id",
        "path": "Extension.extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:season.extension",
        "path": "Extension.extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:season.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "season",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:season.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Season on which the issue of the journal was published",
        "definition": "Spring, Summer, Fall/Autumn, Winter.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:text",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "text",
        "short": "R4B: Text representation of the date of which the issue of the journal was published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:text.id",
        "path": "Extension.extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:text.extension",
        "path": "Extension.extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:text.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "text",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:text.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Text representation of the date of which the issue of the journal was published",
        "definition": "Text representation of the date of which the issue of the journal was published.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "dateOfPublication",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "periodicRelease",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:articleDate",
        "path": "Extension.extension.extension",
        "sliceName": "articleDate",
        "short": "R4B: The date the article was added to the database, or the date the article was released (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.articleDate` (new:dateTime)",
        "comment": "Element `Citation.citedArtifact.publicationForm.articleDate` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.articleDate` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.articleDate` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.articleDate` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.articleDate` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.articleDate` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:articleDate.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:articleDate.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:articleDate.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "articleDate",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:articleDate.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The date the article was added to the database, or the date the article was released",
        "definition": "The date the article was added to the database, or the date the article was released (which may differ from the journal issue publication date).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "dateTime"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastRevisionDate",
        "path": "Extension.extension.extension",
        "sliceName": "lastRevisionDate",
        "short": "R4B: The date the article was last revised or updated in the database (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.lastRevisionDate` (new:dateTime)",
        "comment": "Element `Citation.citedArtifact.publicationForm.lastRevisionDate` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.lastRevisionDate` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.lastRevisionDate` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.lastRevisionDate` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.lastRevisionDate` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.lastRevisionDate` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastRevisionDate.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastRevisionDate.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastRevisionDate.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "lastRevisionDate",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastRevisionDate.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The date the article was last revised or updated in the database",
        "definition": "The date the article was last revised or updated in the database.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "dateTime"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:language",
        "path": "Extension.extension.extension",
        "sliceName": "language",
        "short": "R4B: Language in which this form of the article is published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.language` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.publicationForm.language` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.language` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.language` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nLanguage is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.language` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.language` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.language` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:language.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:language.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:language.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "language",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:language.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Language in which this form of the article is published",
        "definition": "Language in which this form of the article is published.",
        "comment": "Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "preferred",
          "valueSet": "http://hl7.org/fhir/ValueSet/languages|4.0.1"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:accessionNumber",
        "path": "Extension.extension.extension",
        "sliceName": "accessionNumber",
        "short": "R4B: Entry number or identifier for inclusion in a database (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.accessionNumber` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.accessionNumber` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.accessionNumber` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.accessionNumber` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.accessionNumber` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.accessionNumber` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.accessionNumber` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:accessionNumber.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:accessionNumber.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:accessionNumber.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "accessionNumber",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:accessionNumber.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Entry number or identifier for inclusion in a database",
        "definition": "Entry number or identifier for inclusion in a database.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageString",
        "path": "Extension.extension.extension",
        "sliceName": "pageString",
        "short": "R4B: Used for full display of pagination (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.pageString` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.pageString` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.pageString` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.pageString` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.pageString` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.pageString` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.pageString` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageString.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageString.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageString.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "pageString",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageString.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Used for full display of pagination",
        "definition": "Used for full display of pagination.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:firstPage",
        "path": "Extension.extension.extension",
        "sliceName": "firstPage",
        "short": "R4B: Used for isolated representation of first page (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.firstPage` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.firstPage` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.firstPage` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.firstPage` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.firstPage` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.firstPage` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.firstPage` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:firstPage.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:firstPage.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:firstPage.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "firstPage",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:firstPage.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Used for isolated representation of first page",
        "definition": "Used for isolated representation of first page.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastPage",
        "path": "Extension.extension.extension",
        "sliceName": "lastPage",
        "short": "R4B: Used for isolated representation of last page (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.lastPage` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.lastPage` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.lastPage` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.lastPage` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.lastPage` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.lastPage` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.lastPage` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastPage.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastPage.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastPage.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "lastPage",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastPage.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Used for isolated representation of last page",
        "definition": "Used for isolated representation of last page.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageCount",
        "path": "Extension.extension.extension",
        "sliceName": "pageCount",
        "short": "R4B: Number of pages or screens (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.pageCount` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.pageCount` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.pageCount` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.pageCount` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.pageCount` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.pageCount` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.pageCount` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageCount.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageCount.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageCount.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "pageCount",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageCount.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Number of pages or screens",
        "definition": "Actual or approximate number of pages or screens.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:copyright",
        "path": "Extension.extension.extension",
        "sliceName": "copyright",
        "short": "R4B: Copyright notice for the full article or artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.copyright` (new:markdown)",
        "comment": "Element `Citation.citedArtifact.publicationForm.copyright` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.copyright` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.copyright` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.copyright` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.copyright` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.copyright` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:publicationForm.extension:copyright.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:copyright.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:copyright.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "copyright",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:copyright.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Copyright notice for the full article or artifact",
        "definition": "Copyright notice for the full article or artifact.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "markdown"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "publicationForm",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:webLocation",
        "path": "Extension.extension",
        "sliceName": "webLocation",
        "short": "R4B: Used for any URL for the article or artifact cited (new)",
        "definition": "R4B: `Citation.citedArtifact.webLocation` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.webLocation` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.webLocation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.webLocation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.webLocation` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.webLocation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.webLocation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:webLocation.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:webLocation.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:webLocation.extension:type",
        "path": "Extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: Code the reason for different URLs, e.g. abstract and full-text (new)",
        "definition": "R4B: `Citation.citedArtifact.webLocation.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.webLocation.type` is part of an existing definition because parent element `Citation.citedArtifact.webLocation` requires a cross-version extension.\nElement `Citation.citedArtifact.webLocation.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.webLocation.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.webLocation.type` is part of an existing definition because parent element `Citation.citedArtifact.webLocation` requires a cross-version extension.\nElement `Citation.citedArtifact.webLocation.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.webLocation.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:webLocation.extension:type.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:webLocation.extension:type.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:webLocation.extension:type.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "type",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:webLocation.extension:type.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Code the reason for different URLs, e.g. abstract and full-text",
        "definition": "Code the reason for different URLs, e.g. abstract and full-text.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-article-url-type-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:webLocation.extension:url",
        "path": "Extension.extension.extension",
        "sliceName": "url",
        "short": "R4B: The specific URL (new)",
        "definition": "R4B: `Citation.citedArtifact.webLocation.url` (new:uri)",
        "comment": "Element `Citation.citedArtifact.webLocation.url` is part of an existing definition because parent element `Citation.citedArtifact.webLocation` requires a cross-version extension.\nElement `Citation.citedArtifact.webLocation.url` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.webLocation.url` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nPersistent URLs, like doi, are preferred.",
        "requirements": "Element `Citation.citedArtifact.webLocation.url` is part of an existing definition because parent element `Citation.citedArtifact.webLocation` requires a cross-version extension.\nElement `Citation.citedArtifact.webLocation.url` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.webLocation.url` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:webLocation.extension:url.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:webLocation.extension:url.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:webLocation.extension:url.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "url",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:webLocation.extension:url.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The specific URL",
        "definition": "The specific URL.",
        "comment": "Persistent URLs, like doi, are preferred.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:webLocation.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "webLocation",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:webLocation.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification",
        "path": "Extension.extension",
        "sliceName": "classification",
        "short": "R4B: The assignment to an organizing scheme (new)",
        "definition": "R4B: `Citation.citedArtifact.classification` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.classification` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.classification` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.classification` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:classification.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:classification.extension:type",
        "path": "Extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: The kind of classifier (e.g. publication type, keyword) (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.classification.type` is part of an existing definition because parent element `Citation.citedArtifact.classification` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.type` is part of an existing definition because parent element `Citation.citedArtifact.classification` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:classification.extension:type.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:type.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:type.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "type",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:type.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The kind of classifier (e.g. publication type, keyword)",
        "definition": "The kind of classifier (e.g. publication type, keyword).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-cited-artifact-classification-type-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:classifier",
        "path": "Extension.extension.extension",
        "sliceName": "classifier",
        "short": "R4B: The specific classification value (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.classifier` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.classification.classifier` is part of an existing definition because parent element `Citation.citedArtifact.classification` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.classifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.classifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.classifier` is part of an existing definition because parent element `Citation.citedArtifact.classification` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.classifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.classifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:classification.extension:classifier.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:classifier.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:classifier.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "classifier",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:classifier.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The specific classification value",
        "definition": "The specific classification value.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "example",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-citation-artifact-classifier-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified",
        "path": "Extension.extension.extension",
        "sliceName": "whoClassified",
        "short": "R4B: Provenance and copyright of classification (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.whoClassified` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.classification.whoClassified` is part of an existing definition because parent element `Citation.citedArtifact.classification` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.whoClassified` is part of an existing definition because parent element `Citation.citedArtifact.classification` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:person",
        "path": "Extension.extension.extension.extension",
        "sliceName": "person",
        "short": "R4B: Person who created the classification (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.whoClassified.person` (new:Reference(Person,Practitioner))",
        "comment": "Element `Citation.citedArtifact.classification.whoClassified.person` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.person` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.person` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.whoClassified.person` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.person` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.person` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:person.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:person.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:person.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "person",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:person.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Person who created the classification",
        "definition": "Person who created the classification.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Person|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Person|4.0.1",
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Practitioner|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Practitioner|4.0.1"
            ]
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:organization",
        "path": "Extension.extension.extension.extension",
        "sliceName": "organization",
        "short": "R4B: Organization who created the classification (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.whoClassified.organization` (new:Reference(Organization))",
        "comment": "Element `Citation.citedArtifact.classification.whoClassified.organization` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.organization` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.organization` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.whoClassified.organization` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.organization` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.organization` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:organization.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:organization.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:organization.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "organization",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:organization.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Organization who created the classification",
        "definition": "Organization who created the classification.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Organization|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Organization|4.0.1"
            ]
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:publisher",
        "path": "Extension.extension.extension.extension",
        "sliceName": "publisher",
        "short": "R4B: The publisher of the classification, not the publisher of the article or artifact being cited (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.whoClassified.publisher` (new:Reference(Organization))",
        "comment": "Element `Citation.citedArtifact.classification.whoClassified.publisher` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.publisher` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.publisher` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.whoClassified.publisher` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.publisher` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.publisher` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:publisher.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:publisher.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:publisher.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "publisher",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:publisher.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "The publisher of the classification, not the publisher of the article or artifact being cited",
        "definition": "The publisher of the classification, not the publisher of the article or artifact being cited.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Organization|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Organization|4.0.1"
            ]
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:classifierCopyright",
        "path": "Extension.extension.extension.extension",
        "sliceName": "classifierCopyright",
        "short": "R4B: Rights management statement for the classification (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.whoClassified.classifierCopyright` (new:string)",
        "comment": "Element `Citation.citedArtifact.classification.whoClassified.classifierCopyright` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.classifierCopyright` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.classifierCopyright` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.whoClassified.classifierCopyright` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.classifierCopyright` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.classifierCopyright` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:classifierCopyright.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:classifierCopyright.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:classifierCopyright.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "classifierCopyright",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:classifierCopyright.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Rights management statement for the classification",
        "definition": "Rights management statement for the classification.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:freeToShare",
        "path": "Extension.extension.extension.extension",
        "sliceName": "freeToShare",
        "short": "R4B: Acceptable to re-use the classification (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.whoClassified.freeToShare` (new:boolean)",
        "comment": "Element `Citation.citedArtifact.classification.whoClassified.freeToShare` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.freeToShare` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.freeToShare` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.whoClassified.freeToShare` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.freeToShare` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.freeToShare` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:freeToShare.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:freeToShare.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:freeToShare.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "freeToShare",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:freeToShare.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Acceptable to re-use the classification",
        "definition": "Acceptable to re-use the classification.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "whoClassified",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "classification",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship",
        "path": "Extension.extension",
        "sliceName": "contributorship",
        "short": "R4B: Attribution of authors and other contributors (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.contributorship` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Need to support individualized and collective attribution of authorship and contributorship to people and groups. Element `Citation.citedArtifact.contributorship` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:complete",
        "path": "Extension.extension.extension",
        "sliceName": "complete",
        "short": "R4B: Indicates if the list includes all authors and/or contributors (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.complete` (new:boolean)",
        "comment": "Element `Citation.citedArtifact.contributorship.complete` is part of an existing definition because parent element `Citation.citedArtifact.contributorship` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.complete` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.complete` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nIf list is incomplete \"et al\" can be appended to Contributorship.summary.value for display purposes.",
        "requirements": "Element `Citation.citedArtifact.contributorship.complete` is part of an existing definition because parent element `Citation.citedArtifact.contributorship` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.complete` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.complete` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:complete.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:complete.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:complete.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "complete",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:complete.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Indicates if the list includes all authors and/or contributors",
        "definition": "Indicates if the list includes all authors and/or contributors.",
        "comment": "If list is incomplete \"et al\" can be appended to Contributorship.summary.value for display purposes.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry",
        "path": "Extension.extension.extension",
        "sliceName": "entry",
        "short": "R4B: An individual entity named in the list (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry` is part of an existing definition because parent element `Citation.citedArtifact.contributorship` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nUsed to report contributorship in individualized ways.",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry` is part of an existing definition because parent element `Citation.citedArtifact.contributorship` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:name",
        "path": "Extension.extension.extension.extension",
        "sliceName": "name",
        "short": "R4B: A name associated with the person (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.name` (new:HumanName)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.name` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.name` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.name` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nhumanName.family can match MEDLINE-based lastName (used for surname or single name), humanName.given can match MEDLINE-based forename (used for remainder of name except for suffix), humanName.suffix can match MEDLINE-based suffix (eg 2nd, 3rd, Jr, Sr).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.name` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.name` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.name` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:name.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:name.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:name.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "name",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:name.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "A name associated with the person",
        "definition": "A name associated with the individual.",
        "comment": "humanName.family can match MEDLINE-based lastName (used for surname or single name), humanName.given can match MEDLINE-based forename (used for remainder of name except for suffix), humanName.suffix can match MEDLINE-based suffix (eg 2nd, 3rd, Jr, Sr).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "HumanName"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:initials",
        "path": "Extension.extension.extension.extension",
        "sliceName": "initials",
        "short": "R4B: Initials for forename (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.initials` (new:string)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.initials` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.initials` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.initials` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nThis element is used in Medline based citations, but not supported fully by FHIR HumanName datatype.",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.initials` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.initials` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.initials` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:initials.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:initials.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:initials.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "initials",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:initials.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Initials for forename",
        "definition": "Initials for forename.",
        "comment": "This element is used in Medline based citations, but not supported fully by FHIR HumanName datatype.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:collectiveName",
        "path": "Extension.extension.extension.extension",
        "sliceName": "collectiveName",
        "short": "R4B: Used for collective or corporate name as an author (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.collectiveName` (new:string)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.collectiveName` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.collectiveName` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.collectiveName` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nThis element is used in Medline based citations, but not supported fully by FHIR HumanName datatype.",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.collectiveName` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.collectiveName` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.collectiveName` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:collectiveName.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:collectiveName.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:collectiveName.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "collectiveName",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:collectiveName.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Used for collective or corporate name as an author",
        "definition": "Used for collective or corporate name as an author.",
        "comment": "This element is used in Medline based citations, but not supported fully by FHIR HumanName datatype.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:identifier",
        "path": "Extension.extension.extension.extension",
        "sliceName": "identifier",
        "short": "R4B: Author identifier, eg ORCID (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.identifier` (new:Identifier)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.identifier` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nAvoids needing to disambiguate common last names or changes of name. ORCID is commonly used as author identifier.",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.identifier` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:identifier.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:identifier.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:identifier.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "identifier",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:identifier.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Author identifier, eg ORCID",
        "definition": "Unique person identifier.",
        "comment": "Avoids needing to disambiguate common last names or changes of name. ORCID is commonly used as author identifier.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Identifier"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo",
        "path": "Extension.extension.extension.extension",
        "sliceName": "affiliationInfo",
        "short": "R4B: Organizational affiliation (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.affiliationInfo` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:affiliation",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "affiliation",
        "short": "R4B: Display for the organization (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation` (new:string)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.affiliationInfo` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.affiliationInfo` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:affiliation.id",
        "path": "Extension.extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:affiliation.extension",
        "path": "Extension.extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:affiliation.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "affiliation",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:affiliation.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Display for the organization",
        "definition": "Display for the organization.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:role",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "role",
        "short": "R4B: Role within the organization, such as professional title (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.affiliationInfo.role` (new:string)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo.role` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.affiliationInfo` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.role` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.role` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo.role` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.affiliationInfo` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.role` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.role` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:role.id",
        "path": "Extension.extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:role.extension",
        "path": "Extension.extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:role.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "role",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:role.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Role within the organization, such as professional title",
        "definition": "Role within the organization, such as professional title.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:identifier",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "identifier",
        "short": "R4B: Identifier for the organization (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier` (new:Identifier)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.affiliationInfo` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.affiliationInfo` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:identifier.id",
        "path": "Extension.extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:identifier.extension",
        "path": "Extension.extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:identifier.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "identifier",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:identifier.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Identifier for the organization",
        "definition": "Identifier for the organization.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Identifier"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "affiliationInfo",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:address",
        "path": "Extension.extension.extension.extension",
        "sliceName": "address",
        "short": "R4B: Physical mailing address (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.address` (new:Address)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.address` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.address` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.address` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.address` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.address` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.address` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:address.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:address.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:address.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "address",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:address.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Physical mailing address",
        "definition": "Physical mailing address for the author or contributor.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Address"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:telecom",
        "path": "Extension.extension.extension.extension",
        "sliceName": "telecom",
        "short": "R4B: Email or telephone contact methods for the author or contributor (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.telecom` (new:ContactPoint)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.telecom` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.telecom` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.telecom` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.telecom` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.telecom` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.telecom` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:telecom.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:telecom.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:telecom.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "telecom",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:telecom.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Email or telephone contact methods for the author or contributor",
        "definition": "Email or telephone contact methods for the author or contributor.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "ContactPoint"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionType",
        "path": "Extension.extension.extension.extension",
        "sliceName": "contributionType",
        "short": "R4B: The specific contribution (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.contributionType` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.contributionType` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionType` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionType` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nThe CreDiT taxonomy provides a way to encode contribution information inside article XML files. The purpose of CRediT is to provide transparency in contributions to scholarly published work, to enable improved systems of attribution, credit, and accountability.",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.contributionType` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionType` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionType` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionType.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionType.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionType.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "contributionType",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionType.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "The specific contribution",
        "definition": "This element identifies the specific nature of an individual’s contribution with respect to the cited work.",
        "comment": "The CreDiT taxonomy provides a way to encode contribution information inside article XML files. The purpose of CRediT is to provide transparency in contributions to scholarly published work, to enable improved systems of attribution, credit, and accountability.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-artifact-contribution-type-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:role",
        "path": "Extension.extension.extension.extension",
        "sliceName": "role",
        "short": "R4B: The role of the contributor (e.g. author, editor, reviewer) (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.role` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.role` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.role` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.role` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.role` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.role` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.role` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:role.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:role.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:role.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "role",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:role.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "The role of the contributor (e.g. author, editor, reviewer)",
        "definition": "The role of the contributor (e.g. author, editor, reviewer).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-contributor-role-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance",
        "path": "Extension.extension.extension.extension",
        "sliceName": "contributionInstance",
        "short": "R4B: Contributions with accounting for time or number (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.contributionInstance` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.contributionInstance` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.contributionInstance` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:type",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: The specific contribution (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.contributionInstance.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.contributionInstance.type` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.contributionInstance` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.contributionInstance.type` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.contributionInstance` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:type.id",
        "path": "Extension.extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:type.extension",
        "path": "Extension.extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:type.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "type",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:type.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "The specific contribution",
        "definition": "The specific contribution.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-artifact-contribution-instance-type-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:time",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "time",
        "short": "R4B: The time that the contribution was made (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.contributionInstance.time` (new:dateTime)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.contributionInstance.time` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.contributionInstance` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.time` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.time` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.contributionInstance.time` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.contributionInstance` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.time` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.time` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:time.id",
        "path": "Extension.extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:time.extension",
        "path": "Extension.extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:time.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "time",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:time.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "The time that the contribution was made",
        "definition": "The time that the contribution was made.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "dateTime"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "contributionInstance",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:correspondingContact",
        "path": "Extension.extension.extension.extension",
        "sliceName": "correspondingContact",
        "short": "R4B: Indication of which contributor is the corresponding contributor for the role (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.correspondingContact` (new:boolean)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.correspondingContact` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.correspondingContact` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.correspondingContact` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.correspondingContact` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.correspondingContact` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.correspondingContact` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:correspondingContact.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:correspondingContact.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:correspondingContact.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "correspondingContact",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:correspondingContact.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Indication of which contributor is the corresponding contributor for the role",
        "definition": "Indication of which contributor is the corresponding contributor for the role.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:listOrder",
        "path": "Extension.extension.extension.extension",
        "sliceName": "listOrder",
        "short": "R4B: Used to code order of authors (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.listOrder` (new:positiveInt)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.listOrder` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.listOrder` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.listOrder` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.listOrder` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.listOrder` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.listOrder` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:listOrder.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:listOrder.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:listOrder.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "listOrder",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:listOrder.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Used to code order of authors",
        "definition": "Used to code order of authors.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "positiveInt"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "entry",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary",
        "path": "Extension.extension.extension",
        "sliceName": "summary",
        "short": "R4B: Used to record a display of the author/contributor list without separate coding for each list member (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.summary` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.contributorship.summary` is part of an existing definition because parent element `Citation.citedArtifact.contributorship` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.summary` is part of an existing definition because parent element `Citation.citedArtifact.contributorship` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.id",
        "path": "Extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:type",
        "path": "Extension.extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: Either authorList or contributorshipStatement (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.summary.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.contributorship.summary.type` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.summary.type` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:type.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:type.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:type.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "type",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:type.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Either authorList or contributorshipStatement",
        "definition": "Used most commonly to express an author list or a contributorship statement.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-contributor-summary-type-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:style",
        "path": "Extension.extension.extension.extension",
        "sliceName": "style",
        "short": "R4B: The format for the display string (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.summary.style` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.contributorship.summary.style` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.style` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.style` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.summary.style` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.style` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.style` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:style.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:style.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:style.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "style",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:style.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "The format for the display string",
        "definition": "The format for the display string.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-contributor-summary-style-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:source",
        "path": "Extension.extension.extension.extension",
        "sliceName": "source",
        "short": "R4B: Used to code the producer or rule for creating the display string (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.summary.source` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.contributorship.summary.source` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.source` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.source` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.summary.source` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.source` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.source` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:source.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:source.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:source.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "source",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:source.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Used to code the producer or rule for creating the display string",
        "definition": "Used to code the producer or rule for creating the display string.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-contributor-summary-source-for-R4|0.1.0"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:value",
        "path": "Extension.extension.extension.extension",
        "sliceName": "value",
        "short": "R4B: The display string for the author list, contributor list, or contributorship statement (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.summary.value` (new:markdown)",
        "comment": "Element `Citation.citedArtifact.contributorship.summary.value` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.value` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.value` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.summary.value` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.value` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.value` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:value.id",
        "path": "Extension.extension.extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:value.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:value.url",
        "path": "Extension.extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "value",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:value.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "The display string for the author list, contributor list, or contributorship statement",
        "definition": "The display string for the author list, contributor list, or contributorship statement.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "markdown"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.url",
        "path": "Extension.extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "summary",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "contributorship",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:note",
        "path": "Extension.extension",
        "sliceName": "note",
        "short": "R4B: Any additional information or content for the article or artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.note` (new:Annotation)",
        "comment": "Element `Citation.citedArtifact.note` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.note` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.note` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.note` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.note` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.note` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:note.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:note.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:note.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "note",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:note.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "Any additional information or content for the article or artifact",
        "definition": "Any additional information or content for the article or artifact.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Annotation"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/4.3/StructureDefinition/extension-Citation.citedArtifact",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "R4B: The article or artifact being described (new)",
        "definition": "R4B: `Citation.citedArtifact` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension",
          "min": 0,
          "max": "*"
        },
        "isModifier": false
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:identifier",
        "path": "Extension.extension",
        "sliceName": "identifier",
        "short": "R4B: May include DOI, PMID, PMCID, etc. (new)",
        "definition": "R4B: `Citation.citedArtifact.identifier` (new:Identifier)",
        "comment": "Element `Citation.citedArtifact.identifier` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nMay include DOI, PMID, PMCID, etc. This element will contain unique identifiers that support de-duplication of citations. This identifier can be valid for only one citation resource.",
        "requirements": "Allows externally provided and/or usable identifiers to be associated with this citation. Element `Citation.citedArtifact.identifier` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:identifier.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "identifier"
      },
      {
        "id": "Extension.extension:identifier.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "May include DOI, PMID, PMCID, etc.",
        "definition": "A formal identifier that is used to identify this citation when it is represented in other formats, or referenced in a specification, model, design or an instance.",
        "comment": "May include DOI, PMID, PMCID, etc. This element will contain unique identifiers that support de-duplication of citations. This identifier can be valid for only one citation resource.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Identifier"
          }
        ]
      },
      {
        "id": "Extension.extension:relatedIdentifier",
        "path": "Extension.extension",
        "sliceName": "relatedIdentifier",
        "short": "R4B: May include trial registry identifiers (new)",
        "definition": "R4B: `Citation.citedArtifact.relatedIdentifier` (new:Identifier)",
        "comment": "Element `Citation.citedArtifact.relatedIdentifier` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.relatedIdentifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatedIdentifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nMay include trial registry identifiers, e.g. NCT04372602 from clinicaltrials.gov. This identifier can be valid for multiple citation resources.",
        "requirements": "Allows externally provided and/or usable identifiers to be associated with this citation. Element `Citation.citedArtifact.relatedIdentifier` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.relatedIdentifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatedIdentifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:relatedIdentifier.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "relatedIdentifier"
      },
      {
        "id": "Extension.extension:relatedIdentifier.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "May include trial registry identifiers",
        "definition": "A formal identifier that is used to identify things closely related to this citation.",
        "comment": "May include trial registry identifiers, e.g. NCT04372602 from clinicaltrials.gov. This identifier can be valid for multiple citation resources.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Identifier"
          }
        ]
      },
      {
        "id": "Extension.extension:dateAccessed",
        "path": "Extension.extension",
        "sliceName": "dateAccessed",
        "short": "R4B: When the cited artifact was accessed (new)",
        "definition": "R4B: `Citation.citedArtifact.dateAccessed` (new:dateTime)",
        "comment": "Element `Citation.citedArtifact.dateAccessed` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.dateAccessed` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.dateAccessed` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.dateAccessed` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.dateAccessed` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.dateAccessed` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:dateAccessed.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "dateAccessed"
      },
      {
        "id": "Extension.extension:dateAccessed.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "When the cited artifact was accessed",
        "definition": "When the cited artifact was accessed.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "dateTime"
          }
        ]
      },
      {
        "id": "Extension.extension:version",
        "path": "Extension.extension",
        "sliceName": "version",
        "short": "R4B: The defined version of the cited artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.version` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.version` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.version` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.version` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.version` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.version` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.version` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:version.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 1,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:version.extension:value",
        "path": "Extension.extension.extension",
        "sliceName": "value",
        "short": "R4B: The version number or other version identifier (new)",
        "definition": "R4B: `Citation.citedArtifact.version.value` (new:string)",
        "comment": "Element `Citation.citedArtifact.version.value` is part of an existing definition because parent element `Citation.citedArtifact.version` requires a cross-version extension.\nElement `Citation.citedArtifact.version.value` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.version.value` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.version.value` is part of an existing definition because parent element `Citation.citedArtifact.version` requires a cross-version extension.\nElement `Citation.citedArtifact.version.value` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.version.value` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:version.extension:value.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "value"
      },
      {
        "id": "Extension.extension:version.extension:value.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The version number or other version identifier",
        "definition": "The version number or other version identifier.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:version.extension:baseCitation",
        "path": "Extension.extension.extension",
        "sliceName": "baseCitation",
        "short": "R4B: Citation for the main version of the cited artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.version.baseCitation` (new:Reference(Citation))",
        "comment": "Element `Citation.citedArtifact.version.baseCitation` is part of an existing definition because parent element `Citation.citedArtifact.version` requires a cross-version extension.\nElement `Citation.citedArtifact.version.baseCitation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.version.baseCitation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.version.baseCitation` is part of an existing definition because parent element `Citation.citedArtifact.version` requires a cross-version extension.\nElement `Citation.citedArtifact.version.baseCitation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.version.baseCitation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:version.extension:baseCitation.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "baseCitation"
      },
      {
        "id": "Extension.extension:version.extension:baseCitation.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Citation for the main version of the cited artifact",
        "definition": "Citation for the main version of the cited artifact.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Citation|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Basic|4.0.1"
            ]
          }
        ]
      },
      {
        "id": "Extension.extension:version.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "version"
      },
      {
        "id": "Extension.extension:version.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:currentState",
        "path": "Extension.extension",
        "sliceName": "currentState",
        "short": "R4B: The status of the cited artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.currentState` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.currentState` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.currentState` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.currentState` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.currentState` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.currentState` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.currentState` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:currentState.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "currentState"
      },
      {
        "id": "Extension.extension:currentState.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "The status of the cited artifact",
        "definition": "The status of the cited artifact.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-cited-artifact-status-type-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:statusDate",
        "path": "Extension.extension",
        "sliceName": "statusDate",
        "short": "R4B: An effective date or period for a status of the cited artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.statusDate` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.statusDate` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.statusDate` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:statusDate.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 2,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:statusDate.extension:activity",
        "path": "Extension.extension.extension",
        "sliceName": "activity",
        "short": "R4B: Classification of the status (new)",
        "definition": "R4B: `Citation.citedArtifact.statusDate.activity` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.statusDate.activity` is part of an existing definition because parent element `Citation.citedArtifact.statusDate` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate.activity` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate.activity` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.statusDate.activity` is part of an existing definition because parent element `Citation.citedArtifact.statusDate` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate.activity` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate.activity` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:statusDate.extension:activity.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "activity"
      },
      {
        "id": "Extension.extension:statusDate.extension:activity.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Classification of the status",
        "definition": "Classification of the status.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-cited-artifact-status-type-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:statusDate.extension:actual",
        "path": "Extension.extension.extension",
        "sliceName": "actual",
        "short": "R4B: Either occurred or expected (new)",
        "definition": "R4B: `Citation.citedArtifact.statusDate.actual` (new:boolean)",
        "comment": "Element `Citation.citedArtifact.statusDate.actual` is part of an existing definition because parent element `Citation.citedArtifact.statusDate` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate.actual` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate.actual` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.statusDate.actual` is part of an existing definition because parent element `Citation.citedArtifact.statusDate` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate.actual` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate.actual` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:statusDate.extension:actual.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "actual"
      },
      {
        "id": "Extension.extension:statusDate.extension:actual.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Either occurred or expected",
        "definition": "Either occurred or expected.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.extension:period",
        "path": "Extension.extension.extension",
        "sliceName": "period",
        "short": "R4B: When the status started and/or ended (new)",
        "definition": "R4B: `Citation.citedArtifact.statusDate.period` (new:Period)",
        "comment": "Element `Citation.citedArtifact.statusDate.period` is part of an existing definition because parent element `Citation.citedArtifact.statusDate` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate.period` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate.period` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nFor an instance, place the same value in both start and end elements.",
        "requirements": "Element `Citation.citedArtifact.statusDate.period` is part of an existing definition because parent element `Citation.citedArtifact.statusDate` requires a cross-version extension.\nElement `Citation.citedArtifact.statusDate.period` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.statusDate.period` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:statusDate.extension:period.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "period"
      },
      {
        "id": "Extension.extension:statusDate.extension:period.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "When the status started and/or ended",
        "definition": "When the status started and/or ended.",
        "comment": "For an instance, place the same value in both start and end elements.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Period"
          }
        ]
      },
      {
        "id": "Extension.extension:statusDate.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "statusDate"
      },
      {
        "id": "Extension.extension:statusDate.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:title",
        "path": "Extension.extension",
        "sliceName": "title",
        "short": "R4B: The title details of the article or artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.title` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.title` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.title` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.title` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.title` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:title.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 1,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:title.extension:type",
        "path": "Extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: The kind of title (new)",
        "definition": "R4B: `Citation.citedArtifact.title.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.title.type` is part of an existing definition because parent element `Citation.citedArtifact.title` requires a cross-version extension.\nElement `Citation.citedArtifact.title.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.title.type` is part of an existing definition because parent element `Citation.citedArtifact.title` requires a cross-version extension.\nElement `Citation.citedArtifact.title.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:title.extension:type.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "type"
      },
      {
        "id": "Extension.extension:title.extension:type.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The kind of title",
        "definition": "Used to express the reason or specific aspect for the title.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-title-type-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:title.extension:language",
        "path": "Extension.extension.extension",
        "sliceName": "language",
        "short": "R4B: Used to express the specific language (new)",
        "definition": "R4B: `Citation.citedArtifact.title.language` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.title.language` is part of an existing definition because parent element `Citation.citedArtifact.title` requires a cross-version extension.\nElement `Citation.citedArtifact.title.language` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title.language` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.title.language` is part of an existing definition because parent element `Citation.citedArtifact.title` requires a cross-version extension.\nElement `Citation.citedArtifact.title.language` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title.language` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:title.extension:language.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "language"
      },
      {
        "id": "Extension.extension:title.extension:language.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Used to express the specific language",
        "definition": "Used to express the specific language.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "preferred",
          "valueSet": "http://hl7.org/fhir/ValueSet/languages|4.0.1"
        }
      },
      {
        "id": "Extension.extension:title.extension:text",
        "path": "Extension.extension.extension",
        "sliceName": "text",
        "short": "R4B: The title of the article or artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.title.text` (new:markdown)",
        "comment": "Element `Citation.citedArtifact.title.text` is part of an existing definition because parent element `Citation.citedArtifact.title` requires a cross-version extension.\nElement `Citation.citedArtifact.title.text` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title.text` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.title.text` is part of an existing definition because parent element `Citation.citedArtifact.title` requires a cross-version extension.\nElement `Citation.citedArtifact.title.text` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.title.text` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:title.extension:text.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "text"
      },
      {
        "id": "Extension.extension:title.extension:text.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The title of the article or artifact",
        "definition": "The title of the article or artifact.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "markdown"
          }
        ]
      },
      {
        "id": "Extension.extension:title.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "title"
      },
      {
        "id": "Extension.extension:title.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:abstract",
        "path": "Extension.extension",
        "sliceName": "abstract",
        "short": "R4B: Summary of the article or artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.abstract` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.abstract` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.abstract` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:abstract.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 1,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:abstract.extension:type",
        "path": "Extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: The kind of abstract (new)",
        "definition": "R4B: `Citation.citedArtifact.abstract.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.abstract.type` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.abstract.type` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:abstract.extension:type.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "type"
      },
      {
        "id": "Extension.extension:abstract.extension:type.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The kind of abstract",
        "definition": "Used to express the reason or specific aspect for the abstract.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-cited-artifact-abstract-type-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:abstract.extension:language",
        "path": "Extension.extension.extension",
        "sliceName": "language",
        "short": "R4B: Used to express the specific language (new)",
        "definition": "R4B: `Citation.citedArtifact.abstract.language` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.abstract.language` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.language` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.language` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.abstract.language` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.language` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.language` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:abstract.extension:language.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "language"
      },
      {
        "id": "Extension.extension:abstract.extension:language.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Used to express the specific language",
        "definition": "Used to express the specific language.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "preferred",
          "valueSet": "http://hl7.org/fhir/ValueSet/languages|4.0.1"
        }
      },
      {
        "id": "Extension.extension:abstract.extension:text",
        "path": "Extension.extension.extension",
        "sliceName": "text",
        "short": "R4B: Abstract content (new)",
        "definition": "R4B: `Citation.citedArtifact.abstract.text` (new:markdown)",
        "comment": "Element `Citation.citedArtifact.abstract.text` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.text` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.text` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.abstract.text` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.text` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.text` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:abstract.extension:text.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "text"
      },
      {
        "id": "Extension.extension:abstract.extension:text.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Abstract content",
        "definition": "Abstract content.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "markdown"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.extension:copyright",
        "path": "Extension.extension.extension",
        "sliceName": "copyright",
        "short": "R4B: Copyright notice for the abstract (new)",
        "definition": "R4B: `Citation.citedArtifact.abstract.copyright` (new:markdown)",
        "comment": "Element `Citation.citedArtifact.abstract.copyright` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.copyright` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.copyright` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.abstract.copyright` is part of an existing definition because parent element `Citation.citedArtifact.abstract` requires a cross-version extension.\nElement `Citation.citedArtifact.abstract.copyright` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.abstract.copyright` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:abstract.extension:copyright.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "copyright"
      },
      {
        "id": "Extension.extension:abstract.extension:copyright.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Copyright notice for the abstract",
        "definition": "Copyright notice for the abstract.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "markdown"
          }
        ]
      },
      {
        "id": "Extension.extension:abstract.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "abstract"
      },
      {
        "id": "Extension.extension:abstract.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:part",
        "path": "Extension.extension",
        "sliceName": "part",
        "short": "R4B: The component of the article or artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.part` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.part` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.part` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.part` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.part` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:part.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:part.extension:type",
        "path": "Extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: The kind of component (new)",
        "definition": "R4B: `Citation.citedArtifact.part.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.part.type` is part of an existing definition because parent element `Citation.citedArtifact.part` requires a cross-version extension.\nElement `Citation.citedArtifact.part.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.part.type` is part of an existing definition because parent element `Citation.citedArtifact.part` requires a cross-version extension.\nElement `Citation.citedArtifact.part.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:part.extension:type.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "type"
      },
      {
        "id": "Extension.extension:part.extension:type.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The kind of component",
        "definition": "The kind of component.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-cited-artifact-part-type-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:part.extension:value",
        "path": "Extension.extension.extension",
        "sliceName": "value",
        "short": "R4B: The specification of the component (new)",
        "definition": "R4B: `Citation.citedArtifact.part.value` (new:string)",
        "comment": "Element `Citation.citedArtifact.part.value` is part of an existing definition because parent element `Citation.citedArtifact.part` requires a cross-version extension.\nElement `Citation.citedArtifact.part.value` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part.value` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.part.value` is part of an existing definition because parent element `Citation.citedArtifact.part` requires a cross-version extension.\nElement `Citation.citedArtifact.part.value` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part.value` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:part.extension:value.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "value"
      },
      {
        "id": "Extension.extension:part.extension:value.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The specification of the component",
        "definition": "The specification of the component.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:part.extension:baseCitation",
        "path": "Extension.extension.extension",
        "sliceName": "baseCitation",
        "short": "R4B: The citation for the full article or artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.part.baseCitation` (new:Reference(Citation))",
        "comment": "Element `Citation.citedArtifact.part.baseCitation` is part of an existing definition because parent element `Citation.citedArtifact.part` requires a cross-version extension.\nElement `Citation.citedArtifact.part.baseCitation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part.baseCitation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.part.baseCitation` is part of an existing definition because parent element `Citation.citedArtifact.part` requires a cross-version extension.\nElement `Citation.citedArtifact.part.baseCitation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.part.baseCitation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:part.extension:baseCitation.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "baseCitation"
      },
      {
        "id": "Extension.extension:part.extension:baseCitation.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The citation for the full article or artifact",
        "definition": "The citation for the full article or artifact.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Citation|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Basic|4.0.1"
            ]
          }
        ]
      },
      {
        "id": "Extension.extension:part.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "part"
      },
      {
        "id": "Extension.extension:part.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:relatesTo",
        "path": "Extension.extension",
        "sliceName": "relatesTo",
        "short": "R4B: The artifact related to the cited artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.relatesTo` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.relatesTo` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.relatesTo` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:relatesTo.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 2,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:relatesTo.extension:relationshipType",
        "path": "Extension.extension.extension",
        "sliceName": "relationshipType",
        "short": "R4B: How the cited artifact relates to the target artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.relatesTo.relationshipType` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.relatesTo.relationshipType` is part of an existing definition because parent element `Citation.citedArtifact.relatesTo` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo.relationshipType` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo.relationshipType` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.relatesTo.relationshipType` is part of an existing definition because parent element `Citation.citedArtifact.relatesTo` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo.relationshipType` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo.relationshipType` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:relatesTo.extension:relationshipType.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "relationshipType"
      },
      {
        "id": "Extension.extension:relatesTo.extension:relationshipType.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "How the cited artifact relates to the target artifact",
        "definition": "How the cited artifact relates to the target artifact.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-artifact-relationship-type-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:relatesTo.extension:targetClassifier",
        "path": "Extension.extension.extension",
        "sliceName": "targetClassifier",
        "short": "R4B: The clasification of the related artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.relatesTo.targetClassifier` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.relatesTo.targetClassifier` is part of an existing definition because parent element `Citation.citedArtifact.relatesTo` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo.targetClassifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo.targetClassifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.relatesTo.targetClassifier` is part of an existing definition because parent element `Citation.citedArtifact.relatesTo` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo.targetClassifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo.targetClassifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:relatesTo.extension:targetClassifier.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "targetClassifier"
      },
      {
        "id": "Extension.extension:relatesTo.extension:targetClassifier.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The clasification of the related artifact",
        "definition": "The clasification of the related artifact.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "example",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-citation-artifact-classifier-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:relatesTo.extension:target",
        "path": "Extension.extension.extension",
        "sliceName": "target",
        "short": "R4B: The article or artifact that the cited artifact is related to (new)",
        "definition": "R4B: `Citation.citedArtifact.relatesTo.target[x]` (new:Attachment, Identifier, Reference(Resource), uri)",
        "comment": "Element `Citation.citedArtifact.relatesTo.target[x]` is part of an existing definition because parent element `Citation.citedArtifact.relatesTo` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo.target[x]` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo.target[x]` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.relatesTo.target[x]` is part of an existing definition because parent element `Citation.citedArtifact.relatesTo` requires a cross-version extension.\nElement `Citation.citedArtifact.relatesTo.target[x]` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.relatesTo.target[x]` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:relatesTo.extension:target.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "target"
      },
      {
        "id": "Extension.extension:relatesTo.extension:target.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The article or artifact that the cited artifact is related to",
        "definition": "The article or artifact that the cited artifact is related to.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Resource|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Resource|4.0.1"
            ]
          },
          {
            "code": "Attachment"
          }
        ]
      },
      {
        "id": "Extension.extension:relatesTo.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "relatesTo"
      },
      {
        "id": "Extension.extension:relatesTo.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:publicationForm",
        "path": "Extension.extension",
        "sliceName": "publicationForm",
        "short": "R4B: If multiple, used to represent alternative forms of the article that are not separate citations (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.publicationForm` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nA common use is a journal article with a publication date and pagination for a print version and a different publication date for the online version of the same article.",
        "requirements": "Element `Citation.citedArtifact.publicationForm` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn",
        "path": "Extension.extension.extension",
        "sliceName": "publishedIn",
        "short": "R4B: The collection the cited article or artifact is published in (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.publishedIn` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.publicationForm.publishedIn` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.publishedIn` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:type",
        "path": "Extension.extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: Kind of container (e.g. Periodical, database, or book) (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.publishedIn.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.publicationForm.publishedIn.type` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nJournals and newspapers are coded as Periodical.",
        "requirements": "Element `Citation.citedArtifact.publicationForm.publishedIn.type` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:type.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "type"
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:type.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Kind of container (e.g. Periodical, database, or book)",
        "definition": "Kind of container (e.g. Periodical, database, or book).",
        "comment": "Journals and newspapers are coded as Periodical.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-published-in-type-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:identifier",
        "path": "Extension.extension.extension.extension",
        "sliceName": "identifier",
        "short": "R4B: Journal identifiers include ISSN, ISO Abbreviation and NLMuniqueID; Book identifiers include ISBN (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.publishedIn.identifier` (new:Identifier)",
        "comment": "Element `Citation.citedArtifact.publicationForm.publishedIn.identifier` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.publishedIn.identifier` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:identifier.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "identifier"
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:identifier.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Journal identifiers include ISSN, ISO Abbreviation and NLMuniqueID; Book identifiers include ISBN",
        "definition": "Journal identifiers include ISSN, ISO Abbreviation and NLMuniqueID; Book identifiers include ISBN.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Identifier"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:title",
        "path": "Extension.extension.extension.extension",
        "sliceName": "title",
        "short": "R4B: Name of the database or title of the book or journal (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.publishedIn.title` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.publishedIn.title` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.title` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.title` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nClinicalTrials.gov is a name of a database.",
        "requirements": "Element `Citation.citedArtifact.publicationForm.publishedIn.title` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.title` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.title` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:title.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "title"
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:title.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Name of the database or title of the book or journal",
        "definition": "Name of the database or title of the book or journal.",
        "comment": "ClinicalTrials.gov is a name of a database.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisher",
        "path": "Extension.extension.extension.extension",
        "sliceName": "publisher",
        "short": "R4B: Name of the publisher (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.publishedIn.publisher` (new:Reference(Organization))",
        "comment": "Element `Citation.citedArtifact.publicationForm.publishedIn.publisher` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisher` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisher` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.publishedIn.publisher` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisher` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisher` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisher.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "publisher"
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisher.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Name of the publisher",
        "definition": "Name of the publisher.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Organization|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Organization|4.0.1"
            ]
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisherLocation",
        "path": "Extension.extension.extension.extension",
        "sliceName": "publisherLocation",
        "short": "R4B: Geographic location of the publisher (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.publishedIn.publisherLocation` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.publishedIn.publisherLocation` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisherLocation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisherLocation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.publishedIn.publisherLocation` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.publishedIn` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisherLocation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.publishedIn.publisherLocation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisherLocation.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "publisherLocation"
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.extension:publisherLocation.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Geographic location of the publisher",
        "definition": "Geographic location of the publisher.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "publishedIn"
      },
      {
        "id": "Extension.extension:publicationForm.extension:publishedIn.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease",
        "path": "Extension.extension.extension",
        "sliceName": "periodicRelease",
        "short": "R4B: The specific issue in which the cited article resides (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:citedMedium",
        "path": "Extension.extension.extension.extension",
        "sliceName": "citedMedium",
        "short": "R4B: Internet or Print (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.citedMedium` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.citedMedium` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.citedMedium` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.citedMedium` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nNational Library of Medicine uses the codes \"Internet\" or \"Print\".",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.citedMedium` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.citedMedium` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.citedMedium` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:citedMedium.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "citedMedium"
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:citedMedium.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Internet or Print",
        "definition": "Describes the form of the medium cited. Common codes are \"Internet\" or \"Print\".",
        "comment": "National Library of Medicine uses the codes \"Internet\" or \"Print\".",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-cited-medium-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:volume",
        "path": "Extension.extension.extension.extension",
        "sliceName": "volume",
        "short": "R4B: Volume number of journal in which the article is published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.volume` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.volume` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.volume` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.volume` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.volume` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.volume` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.volume` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:volume.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "volume"
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:volume.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Volume number of journal in which the article is published",
        "definition": "Volume number of journal in which the article is published.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:issue",
        "path": "Extension.extension.extension.extension",
        "sliceName": "issue",
        "short": "R4B: Issue, part or supplement of journal in which the article is published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.issue` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.issue` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.issue` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.issue` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.issue` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.issue` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.issue` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:issue.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "issue"
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:issue.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Issue, part or supplement of journal in which the article is published",
        "definition": "Issue, part or supplement of journal in which the article is published.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication",
        "path": "Extension.extension.extension.extension",
        "sliceName": "dateOfPublication",
        "short": "R4B: Defining the date on which the issue of the journal was published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:date",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "date",
        "short": "R4B: Date on which the issue of the journal was published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date` (new:date)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:date.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "date"
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:date.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Date on which the issue of the journal was published",
        "definition": "Date on which the issue of the journal was published.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "date"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:year",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "year",
        "short": "R4B: Year on which the issue of the journal was published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:year.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "year"
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:year.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Year on which the issue of the journal was published",
        "definition": "Year on which the issue of the journal was published.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:month",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "month",
        "short": "R4B: Month on which the issue of the journal was published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:month.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "month"
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:month.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Month on which the issue of the journal was published",
        "definition": "Month on which the issue of the journal was published.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:day",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "day",
        "short": "R4B: Day on which the issue of the journal was published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:day.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "day"
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:day.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Day on which the issue of the journal was published",
        "definition": "Day on which the issue of the journal was published.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:season",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "season",
        "short": "R4B: Season on which the issue of the journal was published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:season.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "season"
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:season.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Season on which the issue of the journal was published",
        "definition": "Spring, Summer, Fall/Autumn, Winter.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:text",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "text",
        "short": "R4B: Text representation of the date of which the issue of the journal was published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:text.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "text"
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.extension:text.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Text representation of the date of which the issue of the journal was published",
        "definition": "Text representation of the date of which the issue of the journal was published.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "dateOfPublication"
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.extension:dateOfPublication.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "periodicRelease"
      },
      {
        "id": "Extension.extension:publicationForm.extension:periodicRelease.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:articleDate",
        "path": "Extension.extension.extension",
        "sliceName": "articleDate",
        "short": "R4B: The date the article was added to the database, or the date the article was released (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.articleDate` (new:dateTime)",
        "comment": "Element `Citation.citedArtifact.publicationForm.articleDate` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.articleDate` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.articleDate` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.articleDate` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.articleDate` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.articleDate` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:articleDate.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "articleDate"
      },
      {
        "id": "Extension.extension:publicationForm.extension:articleDate.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The date the article was added to the database, or the date the article was released",
        "definition": "The date the article was added to the database, or the date the article was released (which may differ from the journal issue publication date).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "dateTime"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastRevisionDate",
        "path": "Extension.extension.extension",
        "sliceName": "lastRevisionDate",
        "short": "R4B: The date the article was last revised or updated in the database (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.lastRevisionDate` (new:dateTime)",
        "comment": "Element `Citation.citedArtifact.publicationForm.lastRevisionDate` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.lastRevisionDate` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.lastRevisionDate` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.lastRevisionDate` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.lastRevisionDate` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.lastRevisionDate` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastRevisionDate.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "lastRevisionDate"
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastRevisionDate.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The date the article was last revised or updated in the database",
        "definition": "The date the article was last revised or updated in the database.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "dateTime"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:language",
        "path": "Extension.extension.extension",
        "sliceName": "language",
        "short": "R4B: Language in which this form of the article is published (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.language` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.publicationForm.language` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.language` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.language` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nLanguage is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.language` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.language` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.language` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:language.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "language"
      },
      {
        "id": "Extension.extension:publicationForm.extension:language.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Language in which this form of the article is published",
        "definition": "Language in which this form of the article is published.",
        "comment": "Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "preferred",
          "valueSet": "http://hl7.org/fhir/ValueSet/languages|4.0.1"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:accessionNumber",
        "path": "Extension.extension.extension",
        "sliceName": "accessionNumber",
        "short": "R4B: Entry number or identifier for inclusion in a database (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.accessionNumber` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.accessionNumber` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.accessionNumber` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.accessionNumber` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.accessionNumber` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.accessionNumber` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.accessionNumber` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:accessionNumber.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "accessionNumber"
      },
      {
        "id": "Extension.extension:publicationForm.extension:accessionNumber.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Entry number or identifier for inclusion in a database",
        "definition": "Entry number or identifier for inclusion in a database.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageString",
        "path": "Extension.extension.extension",
        "sliceName": "pageString",
        "short": "R4B: Used for full display of pagination (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.pageString` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.pageString` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.pageString` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.pageString` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.pageString` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.pageString` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.pageString` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageString.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "pageString"
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageString.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Used for full display of pagination",
        "definition": "Used for full display of pagination.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:firstPage",
        "path": "Extension.extension.extension",
        "sliceName": "firstPage",
        "short": "R4B: Used for isolated representation of first page (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.firstPage` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.firstPage` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.firstPage` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.firstPage` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.firstPage` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.firstPage` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.firstPage` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:firstPage.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "firstPage"
      },
      {
        "id": "Extension.extension:publicationForm.extension:firstPage.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Used for isolated representation of first page",
        "definition": "Used for isolated representation of first page.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastPage",
        "path": "Extension.extension.extension",
        "sliceName": "lastPage",
        "short": "R4B: Used for isolated representation of last page (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.lastPage` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.lastPage` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.lastPage` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.lastPage` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.lastPage` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.lastPage` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.lastPage` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastPage.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "lastPage"
      },
      {
        "id": "Extension.extension:publicationForm.extension:lastPage.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Used for isolated representation of last page",
        "definition": "Used for isolated representation of last page.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageCount",
        "path": "Extension.extension.extension",
        "sliceName": "pageCount",
        "short": "R4B: Number of pages or screens (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.pageCount` (new:string)",
        "comment": "Element `Citation.citedArtifact.publicationForm.pageCount` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.pageCount` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.pageCount` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.pageCount` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.pageCount` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.pageCount` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageCount.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "pageCount"
      },
      {
        "id": "Extension.extension:publicationForm.extension:pageCount.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Number of pages or screens",
        "definition": "Actual or approximate number of pages or screens.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.extension:copyright",
        "path": "Extension.extension.extension",
        "sliceName": "copyright",
        "short": "R4B: Copyright notice for the full article or artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.publicationForm.copyright` (new:markdown)",
        "comment": "Element `Citation.citedArtifact.publicationForm.copyright` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.copyright` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.copyright` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.publicationForm.copyright` is part of an existing definition because parent element `Citation.citedArtifact.publicationForm` requires a cross-version extension.\nElement `Citation.citedArtifact.publicationForm.copyright` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.publicationForm.copyright` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:publicationForm.extension:copyright.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "copyright"
      },
      {
        "id": "Extension.extension:publicationForm.extension:copyright.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Copyright notice for the full article or artifact",
        "definition": "Copyright notice for the full article or artifact.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "markdown"
          }
        ]
      },
      {
        "id": "Extension.extension:publicationForm.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "publicationForm"
      },
      {
        "id": "Extension.extension:publicationForm.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:webLocation",
        "path": "Extension.extension",
        "sliceName": "webLocation",
        "short": "R4B: Used for any URL for the article or artifact cited (new)",
        "definition": "R4B: `Citation.citedArtifact.webLocation` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.webLocation` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.webLocation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.webLocation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.webLocation` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.webLocation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.webLocation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:webLocation.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:webLocation.extension:type",
        "path": "Extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: Code the reason for different URLs, e.g. abstract and full-text (new)",
        "definition": "R4B: `Citation.citedArtifact.webLocation.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.webLocation.type` is part of an existing definition because parent element `Citation.citedArtifact.webLocation` requires a cross-version extension.\nElement `Citation.citedArtifact.webLocation.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.webLocation.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.webLocation.type` is part of an existing definition because parent element `Citation.citedArtifact.webLocation` requires a cross-version extension.\nElement `Citation.citedArtifact.webLocation.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.webLocation.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:webLocation.extension:type.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "type"
      },
      {
        "id": "Extension.extension:webLocation.extension:type.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Code the reason for different URLs, e.g. abstract and full-text",
        "definition": "Code the reason for different URLs, e.g. abstract and full-text.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-article-url-type-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:webLocation.extension:url",
        "path": "Extension.extension.extension",
        "sliceName": "url",
        "short": "R4B: The specific URL (new)",
        "definition": "R4B: `Citation.citedArtifact.webLocation.url` (new:uri)",
        "comment": "Element `Citation.citedArtifact.webLocation.url` is part of an existing definition because parent element `Citation.citedArtifact.webLocation` requires a cross-version extension.\nElement `Citation.citedArtifact.webLocation.url` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.webLocation.url` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nPersistent URLs, like doi, are preferred.",
        "requirements": "Element `Citation.citedArtifact.webLocation.url` is part of an existing definition because parent element `Citation.citedArtifact.webLocation` requires a cross-version extension.\nElement `Citation.citedArtifact.webLocation.url` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.webLocation.url` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:webLocation.extension:url.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "url"
      },
      {
        "id": "Extension.extension:webLocation.extension:url.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The specific URL",
        "definition": "The specific URL.",
        "comment": "Persistent URLs, like doi, are preferred.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          }
        ]
      },
      {
        "id": "Extension.extension:webLocation.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "webLocation"
      },
      {
        "id": "Extension.extension:webLocation.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:classification",
        "path": "Extension.extension",
        "sliceName": "classification",
        "short": "R4B: The assignment to an organizing scheme (new)",
        "definition": "R4B: `Citation.citedArtifact.classification` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.classification` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.classification` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.classification` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:classification.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:classification.extension:type",
        "path": "Extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: The kind of classifier (e.g. publication type, keyword) (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.classification.type` is part of an existing definition because parent element `Citation.citedArtifact.classification` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.type` is part of an existing definition because parent element `Citation.citedArtifact.classification` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:classification.extension:type.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "type"
      },
      {
        "id": "Extension.extension:classification.extension:type.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The kind of classifier (e.g. publication type, keyword)",
        "definition": "The kind of classifier (e.g. publication type, keyword).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-cited-artifact-classification-type-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:classification.extension:classifier",
        "path": "Extension.extension.extension",
        "sliceName": "classifier",
        "short": "R4B: The specific classification value (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.classifier` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.classification.classifier` is part of an existing definition because parent element `Citation.citedArtifact.classification` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.classifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.classifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.classifier` is part of an existing definition because parent element `Citation.citedArtifact.classification` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.classifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.classifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:classification.extension:classifier.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "classifier"
      },
      {
        "id": "Extension.extension:classification.extension:classifier.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "The specific classification value",
        "definition": "The specific classification value.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "example",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-citation-artifact-classifier-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified",
        "path": "Extension.extension.extension",
        "sliceName": "whoClassified",
        "short": "R4B: Provenance and copyright of classification (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.whoClassified` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.classification.whoClassified` is part of an existing definition because parent element `Citation.citedArtifact.classification` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.whoClassified` is part of an existing definition because parent element `Citation.citedArtifact.classification` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:person",
        "path": "Extension.extension.extension.extension",
        "sliceName": "person",
        "short": "R4B: Person who created the classification (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.whoClassified.person` (new:Reference(Person,Practitioner))",
        "comment": "Element `Citation.citedArtifact.classification.whoClassified.person` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.person` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.person` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.whoClassified.person` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.person` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.person` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:person.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "person"
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:person.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Person who created the classification",
        "definition": "Person who created the classification.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Person|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Person|4.0.1",
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Practitioner|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Practitioner|4.0.1"
            ]
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:organization",
        "path": "Extension.extension.extension.extension",
        "sliceName": "organization",
        "short": "R4B: Organization who created the classification (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.whoClassified.organization` (new:Reference(Organization))",
        "comment": "Element `Citation.citedArtifact.classification.whoClassified.organization` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.organization` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.organization` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.whoClassified.organization` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.organization` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.organization` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:organization.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "organization"
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:organization.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Organization who created the classification",
        "definition": "Organization who created the classification.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Organization|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Organization|4.0.1"
            ]
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:publisher",
        "path": "Extension.extension.extension.extension",
        "sliceName": "publisher",
        "short": "R4B: The publisher of the classification, not the publisher of the article or artifact being cited (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.whoClassified.publisher` (new:Reference(Organization))",
        "comment": "Element `Citation.citedArtifact.classification.whoClassified.publisher` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.publisher` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.publisher` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.whoClassified.publisher` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.publisher` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.publisher` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:publisher.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "publisher"
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:publisher.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "The publisher of the classification, not the publisher of the article or artifact being cited",
        "definition": "The publisher of the classification, not the publisher of the article or artifact being cited.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/4.3/StructureDefinition/profile-Organization|0.1.0",
              "http://hl7.org/fhir/StructureDefinition/Organization|4.0.1"
            ]
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:classifierCopyright",
        "path": "Extension.extension.extension.extension",
        "sliceName": "classifierCopyright",
        "short": "R4B: Rights management statement for the classification (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.whoClassified.classifierCopyright` (new:string)",
        "comment": "Element `Citation.citedArtifact.classification.whoClassified.classifierCopyright` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.classifierCopyright` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.classifierCopyright` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.whoClassified.classifierCopyright` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.classifierCopyright` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.classifierCopyright` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:classifierCopyright.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "classifierCopyright"
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:classifierCopyright.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Rights management statement for the classification",
        "definition": "Rights management statement for the classification.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:freeToShare",
        "path": "Extension.extension.extension.extension",
        "sliceName": "freeToShare",
        "short": "R4B: Acceptable to re-use the classification (new)",
        "definition": "R4B: `Citation.citedArtifact.classification.whoClassified.freeToShare` (new:boolean)",
        "comment": "Element `Citation.citedArtifact.classification.whoClassified.freeToShare` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.freeToShare` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.freeToShare` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.classification.whoClassified.freeToShare` is part of an existing definition because parent element `Citation.citedArtifact.classification.whoClassified` requires a cross-version extension.\nElement `Citation.citedArtifact.classification.whoClassified.freeToShare` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.classification.whoClassified.freeToShare` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:freeToShare.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "freeToShare"
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.extension:freeToShare.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Acceptable to re-use the classification",
        "definition": "Acceptable to re-use the classification.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "whoClassified"
      },
      {
        "id": "Extension.extension:classification.extension:whoClassified.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:classification.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "classification"
      },
      {
        "id": "Extension.extension:classification.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:contributorship",
        "path": "Extension.extension",
        "sliceName": "contributorship",
        "short": "R4B: Attribution of authors and other contributors (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.contributorship` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Need to support individualized and collective attribution of authorship and contributorship to people and groups. Element `Citation.citedArtifact.contributorship` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:complete",
        "path": "Extension.extension.extension",
        "sliceName": "complete",
        "short": "R4B: Indicates if the list includes all authors and/or contributors (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.complete` (new:boolean)",
        "comment": "Element `Citation.citedArtifact.contributorship.complete` is part of an existing definition because parent element `Citation.citedArtifact.contributorship` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.complete` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.complete` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nIf list is incomplete \"et al\" can be appended to Contributorship.summary.value for display purposes.",
        "requirements": "Element `Citation.citedArtifact.contributorship.complete` is part of an existing definition because parent element `Citation.citedArtifact.contributorship` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.complete` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.complete` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:complete.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "complete"
      },
      {
        "id": "Extension.extension:contributorship.extension:complete.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "short": "Indicates if the list includes all authors and/or contributors",
        "definition": "Indicates if the list includes all authors and/or contributors.",
        "comment": "If list is incomplete \"et al\" can be appended to Contributorship.summary.value for display purposes.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry",
        "path": "Extension.extension.extension",
        "sliceName": "entry",
        "short": "R4B: An individual entity named in the list (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry` is part of an existing definition because parent element `Citation.citedArtifact.contributorship` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nUsed to report contributorship in individualized ways.",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry` is part of an existing definition because parent element `Citation.citedArtifact.contributorship` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:name",
        "path": "Extension.extension.extension.extension",
        "sliceName": "name",
        "short": "R4B: A name associated with the person (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.name` (new:HumanName)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.name` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.name` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.name` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nhumanName.family can match MEDLINE-based lastName (used for surname or single name), humanName.given can match MEDLINE-based forename (used for remainder of name except for suffix), humanName.suffix can match MEDLINE-based suffix (eg 2nd, 3rd, Jr, Sr).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.name` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.name` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.name` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:name.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "name"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:name.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "A name associated with the person",
        "definition": "A name associated with the individual.",
        "comment": "humanName.family can match MEDLINE-based lastName (used for surname or single name), humanName.given can match MEDLINE-based forename (used for remainder of name except for suffix), humanName.suffix can match MEDLINE-based suffix (eg 2nd, 3rd, Jr, Sr).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "HumanName"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:initials",
        "path": "Extension.extension.extension.extension",
        "sliceName": "initials",
        "short": "R4B: Initials for forename (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.initials` (new:string)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.initials` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.initials` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.initials` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nThis element is used in Medline based citations, but not supported fully by FHIR HumanName datatype.",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.initials` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.initials` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.initials` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:initials.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "initials"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:initials.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Initials for forename",
        "definition": "Initials for forename.",
        "comment": "This element is used in Medline based citations, but not supported fully by FHIR HumanName datatype.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:collectiveName",
        "path": "Extension.extension.extension.extension",
        "sliceName": "collectiveName",
        "short": "R4B: Used for collective or corporate name as an author (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.collectiveName` (new:string)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.collectiveName` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.collectiveName` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.collectiveName` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nThis element is used in Medline based citations, but not supported fully by FHIR HumanName datatype.",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.collectiveName` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.collectiveName` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.collectiveName` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:collectiveName.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "collectiveName"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:collectiveName.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Used for collective or corporate name as an author",
        "definition": "Used for collective or corporate name as an author.",
        "comment": "This element is used in Medline based citations, but not supported fully by FHIR HumanName datatype.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:identifier",
        "path": "Extension.extension.extension.extension",
        "sliceName": "identifier",
        "short": "R4B: Author identifier, eg ORCID (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.identifier` (new:Identifier)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.identifier` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nAvoids needing to disambiguate common last names or changes of name. ORCID is commonly used as author identifier.",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.identifier` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:identifier.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "identifier"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:identifier.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Author identifier, eg ORCID",
        "definition": "Unique person identifier.",
        "comment": "Avoids needing to disambiguate common last names or changes of name. ORCID is commonly used as author identifier.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Identifier"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo",
        "path": "Extension.extension.extension.extension",
        "sliceName": "affiliationInfo",
        "short": "R4B: Organizational affiliation (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.affiliationInfo` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:affiliation",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "affiliation",
        "short": "R4B: Display for the organization (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation` (new:string)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.affiliationInfo` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.affiliationInfo` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:affiliation.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "affiliation"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:affiliation.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Display for the organization",
        "definition": "Display for the organization.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:role",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "role",
        "short": "R4B: Role within the organization, such as professional title (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.affiliationInfo.role` (new:string)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo.role` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.affiliationInfo` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.role` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.role` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo.role` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.affiliationInfo` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.role` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.role` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:role.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "role"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:role.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Role within the organization, such as professional title",
        "definition": "Role within the organization, such as professional title.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:identifier",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "identifier",
        "short": "R4B: Identifier for the organization (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier` (new:Identifier)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.affiliationInfo` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.affiliationInfo` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:identifier.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "identifier"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.extension:identifier.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "Identifier for the organization",
        "definition": "Identifier for the organization.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Identifier"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "affiliationInfo"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:affiliationInfo.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:address",
        "path": "Extension.extension.extension.extension",
        "sliceName": "address",
        "short": "R4B: Physical mailing address (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.address` (new:Address)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.address` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.address` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.address` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.address` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.address` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.address` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:address.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "address"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:address.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Physical mailing address",
        "definition": "Physical mailing address for the author or contributor.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Address"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:telecom",
        "path": "Extension.extension.extension.extension",
        "sliceName": "telecom",
        "short": "R4B: Email or telephone contact methods for the author or contributor (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.telecom` (new:ContactPoint)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.telecom` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.telecom` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.telecom` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.telecom` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.telecom` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.telecom` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:telecom.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "telecom"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:telecom.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Email or telephone contact methods for the author or contributor",
        "definition": "Email or telephone contact methods for the author or contributor.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "ContactPoint"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionType",
        "path": "Extension.extension.extension.extension",
        "sliceName": "contributionType",
        "short": "R4B: The specific contribution (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.contributionType` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.contributionType` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionType` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionType` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nThe CreDiT taxonomy provides a way to encode contribution information inside article XML files. The purpose of CRediT is to provide transparency in contributions to scholarly published work, to enable improved systems of attribution, credit, and accountability.",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.contributionType` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionType` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionType` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionType.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "contributionType"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionType.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "The specific contribution",
        "definition": "This element identifies the specific nature of an individual’s contribution with respect to the cited work.",
        "comment": "The CreDiT taxonomy provides a way to encode contribution information inside article XML files. The purpose of CRediT is to provide transparency in contributions to scholarly published work, to enable improved systems of attribution, credit, and accountability.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-artifact-contribution-type-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:role",
        "path": "Extension.extension.extension.extension",
        "sliceName": "role",
        "short": "R4B: The role of the contributor (e.g. author, editor, reviewer) (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.role` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.role` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.role` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.role` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.role` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.role` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.role` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:role.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "role"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:role.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "The role of the contributor (e.g. author, editor, reviewer)",
        "definition": "The role of the contributor (e.g. author, editor, reviewer).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-contributor-role-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance",
        "path": "Extension.extension.extension.extension",
        "sliceName": "contributionInstance",
        "short": "R4B: Contributions with accounting for time or number (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.contributionInstance` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.contributionInstance` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.contributionInstance` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension",
        "path": "Extension.extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 1,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:type",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: The specific contribution (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.contributionInstance.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.contributionInstance.type` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.contributionInstance` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.contributionInstance.type` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.contributionInstance` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:type.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "type"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:type.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "The specific contribution",
        "definition": "The specific contribution.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-artifact-contribution-instance-type-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:time",
        "path": "Extension.extension.extension.extension.extension",
        "sliceName": "time",
        "short": "R4B: The time that the contribution was made (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.contributionInstance.time` (new:dateTime)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.contributionInstance.time` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.contributionInstance` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.time` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.time` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.contributionInstance.time` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry.contributionInstance` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.time` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.contributionInstance.time` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:time.url",
        "path": "Extension.extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "time"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.extension:time.value[x]",
        "path": "Extension.extension.extension.extension.extension.value[x]",
        "short": "The time that the contribution was made",
        "definition": "The time that the contribution was made.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "dateTime"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "contributionInstance"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:contributionInstance.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:correspondingContact",
        "path": "Extension.extension.extension.extension",
        "sliceName": "correspondingContact",
        "short": "R4B: Indication of which contributor is the corresponding contributor for the role (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.correspondingContact` (new:boolean)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.correspondingContact` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.correspondingContact` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.correspondingContact` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.correspondingContact` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.correspondingContact` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.correspondingContact` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:correspondingContact.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "correspondingContact"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:correspondingContact.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Indication of which contributor is the corresponding contributor for the role",
        "definition": "Indication of which contributor is the corresponding contributor for the role.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:listOrder",
        "path": "Extension.extension.extension.extension",
        "sliceName": "listOrder",
        "short": "R4B: Used to code order of authors (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.entry.listOrder` (new:positiveInt)",
        "comment": "Element `Citation.citedArtifact.contributorship.entry.listOrder` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.listOrder` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.listOrder` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.entry.listOrder` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.entry` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.entry.listOrder` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.entry.listOrder` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:listOrder.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "listOrder"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.extension:listOrder.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Used to code order of authors",
        "definition": "Used to code order of authors.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "positiveInt"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "entry"
      },
      {
        "id": "Extension.extension:contributorship.extension:entry.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:summary",
        "path": "Extension.extension.extension",
        "sliceName": "summary",
        "short": "R4B: Used to record a display of the author/contributor list without separate coding for each list member (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.summary` (new:BackboneElement)",
        "comment": "Element `Citation.citedArtifact.contributorship.summary` is part of an existing definition because parent element `Citation.citedArtifact.contributorship` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.summary` is part of an existing definition because parent element `Citation.citedArtifact.contributorship` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension",
        "path": "Extension.extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 1,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:type",
        "path": "Extension.extension.extension.extension",
        "sliceName": "type",
        "short": "R4B: Either authorList or contributorshipStatement (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.summary.type` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.contributorship.summary.type` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.summary.type` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.type` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:type.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "type"
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:type.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Either authorList or contributorshipStatement",
        "definition": "Used most commonly to express an author list or a contributorship statement.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-contributor-summary-type-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:style",
        "path": "Extension.extension.extension.extension",
        "sliceName": "style",
        "short": "R4B: The format for the display string (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.summary.style` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.contributorship.summary.style` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.style` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.style` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.summary.style` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.style` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.style` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:style.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "style"
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:style.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "The format for the display string",
        "definition": "The format for the display string.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-contributor-summary-style-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:source",
        "path": "Extension.extension.extension.extension",
        "sliceName": "source",
        "short": "R4B: Used to code the producer or rule for creating the display string (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.summary.source` (new:CodeableConcept)",
        "comment": "Element `Citation.citedArtifact.contributorship.summary.source` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.source` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.source` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.summary.source` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.source` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.source` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:source.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "source"
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:source.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "Used to code the producer or rule for creating the display string",
        "definition": "Used to code the producer or rule for creating the display string.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "http://hl7.org/fhir/uv/xver/ValueSet/R4B-contributor-summary-source-for-R4|0.1.0"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:value",
        "path": "Extension.extension.extension.extension",
        "sliceName": "value",
        "short": "R4B: The display string for the author list, contributor list, or contributorship statement (new)",
        "definition": "R4B: `Citation.citedArtifact.contributorship.summary.value` (new:markdown)",
        "comment": "Element `Citation.citedArtifact.contributorship.summary.value` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.value` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.value` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.contributorship.summary.value` is part of an existing definition because parent element `Citation.citedArtifact.contributorship.summary` requires a cross-version extension.\nElement `Citation.citedArtifact.contributorship.summary.value` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.contributorship.summary.value` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:value.url",
        "path": "Extension.extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "value"
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.extension:value.value[x]",
        "path": "Extension.extension.extension.extension.value[x]",
        "short": "The display string for the author list, contributor list, or contributorship statement",
        "definition": "The display string for the author list, contributor list, or contributorship statement.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "markdown"
          }
        ]
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.url",
        "path": "Extension.extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "summary"
      },
      {
        "id": "Extension.extension:contributorship.extension:summary.value[x]",
        "path": "Extension.extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:contributorship.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "contributorship"
      },
      {
        "id": "Extension.extension:contributorship.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Extension.extension:note",
        "path": "Extension.extension",
        "sliceName": "note",
        "short": "R4B: Any additional information or content for the article or artifact (new)",
        "definition": "R4B: `Citation.citedArtifact.note` (new:Annotation)",
        "comment": "Element `Citation.citedArtifact.note` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.note` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.note` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `Citation.citedArtifact.note` is part of an existing definition because parent element `Citation.citedArtifact` requires a cross-version extension.\nElement `Citation.citedArtifact.note` is not mapped to FHIR R4, since FHIR R4B `Citation` is not mapped.\nElement `Citation.citedArtifact.note` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:note.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "note"
      },
      {
        "id": "Extension.extension:note.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "Any additional information or content for the article or artifact",
        "definition": "Any additional information or content for the article or artifact.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Annotation"
          }
        ]
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "http://hl7.org/fhir/4.3/StructureDefinition/extension-Citation.citedArtifact"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      }
    ]
  }
}