<status value="active" /> <experimental value="false" /> <date value="2019-08-07T12:38:10.561492+00:00" /> <publisher value="National Comprehensive Cancer Network, Inc." /> <contact> <telecom> <system value="url" /> <value value="https://www.nccn.org/about/contact.aspx" /> <use value="work" /> </telecom> </contact> <description value="The weeks on which this action should be performed." /> <copyright value="National Comprehensive Cancer Network, Inc. (c) 2017. All right reserved." /> <fhirVersion value="3.0.1" /> <kind value="complex-type" /> <abstract value="false" /> <contextType value="resource" /> <context value="ActivityDefinition.dosage.emeticRisk" /> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="The months on which this action should be performed." /> <max value="1" /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://ots.nccn.org/hl7/fhir/StructureDefinition/monthConstraint" /> </element> <element id="Extension.value[x]:valueInteger"> <path value="Extension.valueInteger" /> <sliceName value="valueInteger" /> <type> <code value="integer" /> </type> </element> </differential> </StructureDefinition>