<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="biobankcy-ext-siblingsnumber" />
  <url value="http://ig.biobank.cy/fhir/StructureDefinition/biobankcy-ext-siblingsnumber" />
  <name value="BIOBANKCYEXTSiblingsNumber" />
  <title value="Extension: Siblings Number (biobank.cy)" />
  <status value="draft" />
  <publisher value="biobank.cy" />
  <contact>
    <name value="Molecular Medicine Research Center (MMRC)" />
    <telecom>
      <system value="email" />
      <value value="biobank@ucy.ac.cy" />
      <use value="work" />
    </telecom>
  </contact>
  <description value="The reported siblings number of a person. It can be also used to identify the type of siblings (e.g. number of sisters, number of brothers)." />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Patient" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="0" />
    </element>
    <element id="Extension.extension:siblingRelationship">
      <path value="Extension.extension" />
      <sliceName value="siblingRelationship" />
      <min value="0" />
      <max value="1" />
      <binding>
        <strength value="extensible" />
        <valueSet value="http://hl7.org/fhir/ValueSet/sibling-relationship-codes" />
      </binding>
    </element>
    <element id="Extension.extension:siblingRelationship.url">
      <path value="Extension.extension.url" />
      <fixedUri value="siblingRelationship" />
    </element>
    <element id="Extension.extension:siblingRelationship.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="CodeableConcept" />
      </type>
    </element>
    <element id="Extension.extension:siblingsNumber">
      <path value="Extension.extension" />
      <sliceName value="siblingsNumber" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="Extension.extension:siblingsNumber.url">
      <path value="Extension.extension.url" />
      <fixedUri value="siblingsNumber" />
    </element>
    <element id="Extension.extension:siblingsNumber.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="integer" />
      </type>
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="http://ig.biobank.cy/fhir/StructureDefinition/biobankcy-ext-siblingsnumber" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>