<StructureDefinition xmlns="http://hl7.org/fhir">
  <meta>
    <lastUpdated value="2021-05-11T16:52:48.340+00:00" />
  </meta>
  <url value="http://example.org/fhir/StructureDefinition/MyResearchStudy" />
  <name value="MyResearchStudy" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <mapping>
    <identity value="BRIDG5.1" />
    <uri value="https://bridgmodel.nci.nih.gov" />
    <name value="BRIDG 5.1 Mapping" />
  </mapping>
  <mapping>
    <identity value="v2" />
    <uri value="http://hl7.org/v2" />
    <name value="HL7 v2 Mapping" />
  </mapping>
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <mapping>
    <identity value="clinicaltrials-gov" />
    <uri value="http://clinicaltrials.gov" />
    <name value="ClinicalTrials.gov Mapping" />
  </mapping>
  <mapping>
    <identity value="w5" />
    <uri value="http://hl7.org/fhir/fivews" />
    <name value="FiveWs Pattern Mapping" />
  </mapping>
  <kind value="resource" />
  <abstract value="false" />
  <type value="ResearchStudy" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/ResearchStudy" />
  <derivation value="constraint" />
  <differential>
    <element id="ResearchStudy.identifier">
      <path value="ResearchStudy.identifier" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="ResearchStudy.title">
      <path value="ResearchStudy.title" />
      <min value="1" />
    </element>
    <element id="ResearchStudy.period">
      <path value="ResearchStudy.period" />
      <min value="1" />
    </element>
    <element id="ResearchStudy.principalInvestigator">
      <path value="ResearchStudy.principalInvestigator" />
      <min value="1" />
    </element>
    <element id="ResearchStudy.arm">
      <path value="ResearchStudy.arm" />
      <min value="1" />
      <max value="1" />
    </element>
  </differential>
</StructureDefinition>