<status value="draft" /> <publisher value="NFDI4Health" /> <contact> <telecom> <system value="url" /> <value value="https://www.nfdi4health.de" /> </telecom> </contact> <description value="Extension informing about the target follow-up duration of a study." /> <fhirVersion value="4.0.1" /> <mapping> <identity value="rim" /> <uri value="http://hl7.org/v3" /> <name value="RIM Mapping" /> </mapping> <mapping> <identity value="NFDI4Health" /> <name value="NFDI4Health to FHIR Mapping" /> </mapping> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="ResearchStudy" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="Target follow-up duration" /> <definition value="If applicable, anticipated time period over which each participant would be followed." /> <max value="1" /> <mapping> <identity value="NFDI4Health" /> <map value="Design.nonInterventional.targetFollowUpDuration" /> </mapping> </element> <element id="Extension.extension"> <path value="Extension.extension" /> <min value="1" /> </element> <element id="Extension.extension:number"> <path value="Extension.extension" /> <sliceName value="number" /> <min value="1" /> <max value="1" /> </element> <element id="Extension.extension:number.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:number.url"> <path value="Extension.extension.url" /> <fixedUri value="number" /> </element> <element id="Extension.extension:number.value[x]"> <path value="Extension.extension.value[x]" /> <min value="1" /> <type> <code value="Quantity" /> </type> </element> <element id="Extension.extension:number.value[x].value"> <path value="Extension.extension.value[x].value" /> <short value="Target follow-up duration" /> <definition value="Numerical value of the target follow-up duration." /> <min value="1" /> <mapping> <identity value="NFDI4Health" /> <map value="Design.nonInterventional.targetFollowUpDuration.number" /> </mapping> </element> <element id="Extension.extension:number.value[x].system"> <path value="Extension.extension.value[x].system" /> <min value="1" /> </element> <element id="Extension.extension:number.value[x].code"> <path value="Extension.extension.value[x].code" /> <short value="Unit of time" /> <definition value="Unit of measurement used to describe the follow-up duration." /> <min value="1" /> <binding> <strength value="required" /> <valueSet value="https://www.nfdi4health.de/fhir/metadataschema/ValueSet/nfdi4health-vs-mds-time-units-ucum" /> </binding> <mapping> <identity value="NFDI4Health" /> <map value="Design.nonInterventional.targetFollowUpDuration.timeUnit" /> </mapping> </element> <element id="Extension.extension:frequency"> <path value="Extension.extension" /> <sliceName value="frequency" /> <min value="0" /> <max value="1" /> </element> <element id="Extension.extension:frequency.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:frequency.url"> <path value="Extension.extension.url" /> <fixedUri value="frequency" /> </element> <element id="Extension.extension:frequency.value[x]"> <path value="Extension.extension.value[x]" /> <short value="Number of follow-ups conducted" /> <definition value="The number of follow-ups conducted within the specified duration." /> <min value="1" /> <type> <code value="integer" /> </type> <mapping> <identity value="NFDI4Health" /> <map value="Design.nonInterventional.targetFollowUpDuration.frequency" /> </mapping> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="https://www.nfdi4health.de/fhir/metadataschema/StructureDefinition/nfdi4health-ex-mds-study-target-followup-duration" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <max value="0" /> </element> </differential> </StructureDefinition>