<StructureDefinition xmlns="http://hl7.org/fhir">
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir" />
  </extension>
  <url value="https://purl.org/elab/fhir/StructureDefinition/StudyGroup" />
  <name value="StudyGroup" />
  <status value="draft" />
  <date value="2017-06-13T11:11:26.3717158+01:00" />
  <description value="Holds information about the study" />
  <fhirVersion value="3.0.0" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Basic" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Basic" />
  <derivation value="constraint" />
  <differential>
    <element>
      <path value="Basic.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Basic.extension:name">
      <path value="Basic.extension" />
      <sliceName value="name" />
      <short value="Name" />
      <definition value="Study group name" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/StructureDefinition/Name" />
      </type>
    </element>
    <element id="Basic.extension:description">
      <path value="Basic.extension" />
      <sliceName value="description" />
      <short value="Description" />
      <definition value="Description" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/StructureDefinition/Description" />
      </type>
    </element>
    <element id="Basic.extension:agency">
      <path value="Basic.extension" />
      <sliceName value="Agency" />
      <short value="Agency" />
      <definition value="DDI agency identifier for the metadata from registration, e.g. us.icpsr, http://registry.ddialliance.org/Agency/Search?term=us" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/StructureDefinition/Agency" />
      </type>
    </element>
    <element id="Basic.extension:citation">
      <path value="Basic.extension" />
      <sliceName value="citation" />
      <short value="Citation" />
      <definition value="Holds reference information about the study" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/StructureDefinition/CitationRef" />
      </type>
    </element>
    <element id="Basic.extension:fundingInformation">
      <path value="Basic.extension" />
      <sliceName value="fundingInformation" />
      <short value="Funding information" />
      <definition value=" Holds information about the current funder/s" />
      <min value="1" />
      <max value="*" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/StructureDefinition/FundingInformationRef" />
      </type>
    </element>
    <element id="Basic.extension:abstract">
      <path value="Basic.extension" />
      <sliceName value="abstract" />
      <short value="Abstract" />
      <definition value="A brief description of the study. A word limit of 300 words has been set." />
      <min value="1" />
      <max value="*" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/StructureDefinition/Abstract" />
      </type>
    </element>
    <element id="Basic.extension:universe">
      <path value="Basic.extension" />
      <sliceName value="universe" />
      <short value="Universe" />
      <definition value=" A description of the population of the study." />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/StructureDefinition/Universe" />
      </type>
    </element>
    <element id="Basic.extension:namingSystem">
      <path value="Basic.extension" />
      <sliceName value="namingSystem" />
      <short value="The system issuing identifiers" />
      <definition value="The system issuing identifiers as used in the Annotation&gt;Resource Generators&gt; 'system' field." />
      <min value="1" />
      <max value="*" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/StructureDefinition/NamingSystemRef" />
      </type>
    </element>
  </differential>
</StructureDefinition>