<StructureDefinition xmlns="http://hl7.org/fhir">
  <meta />
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir" />
  </extension>
  <url value="https://purl.org/elab/fhir/network/StructureDefinition/1/DBPCFoodChallengeSymptoms" />
  <version value="1" />
  <name value="DBPCFoodChallengeSymptoms" />
  <status value="active" />
  <date value="2017-09-19T09:24:57.1218532Z" />
  <description value="Double blind placebo controlled food challenge symptoms" />
  <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 id="Basic.Extension">
      <path value="Basic.Extension" />
      <definition value="This element is a workaround to prevent validation error due to error in the FHIR spec" />
    </element>
    <element id="Basic.Extension:DBPCFoodChallengeSymptoms">
      <path value="Basic.Extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Basic.Extension:DBPCFoodChallengeSymptomsData">
      <path value="Basic.extension" />
      <sliceName value="DBPCFoodChallengeSymptomsData" />
      <short value="DBPCFoodChallengeSymptomsData" />
      <definition value="DBPCFoodChallengeSymptomsData" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/DBPCFoodChallengeSymptomsData" />
      </type>
      <binding>
        <strength value="example" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:VariableLabel">
      <path value="Basic.extension" />
      <sliceName value="VariableLabel" />
      <short value="VariableLabel" />
      <definition value="VariableLabel" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/VariableLabel" />
      </type>
    </element>
    <element id="Basic.Extension:SubjectNo">
      <path value="Basic.extension" />
      <sliceName value="SubjectNo" />
      <short value="SubjectNo" />
      <definition value="SubjectNo" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/SubjectNo" />
      </type>
    </element>
    <element id="Basic.Extension:ChallengeDay">
      <path value="Basic.extension" />
      <sliceName value="ChallengeDay" />
      <short value="ChallengeDay" />
      <definition value="ChallengeDay" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/ChallengeDay" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="https://www.hl7.org/fhir/valueset-days-of-week.html" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:Food">
      <path value="Basic.extension" />
      <sliceName value="Food" />
      <short value="Food" />
      <definition value="Food" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/Food" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://www.hl7.org/FHIR/valueset-food-type.html" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:Dosis">
      <path value="Basic.extension" />
      <sliceName value="Dosis" />
      <short value="Dosis" />
      <definition value="Dosis" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/Dosis" />
      </type>
    </element>
    <element id="Basic.Extension:DosisTime">
      <path value="Basic.extension" />
      <sliceName value="DosisTime" />
      <short value="DosisTime" />
      <definition value="DosisTime" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/DosisTime" />
      </type>
    </element>
    <element id="Basic.Extension:IntervalIntakeUntilFirstSymptom">
      <path value="Basic.extension" />
      <sliceName value="IntervalIntakeUntilFirstSymptom" />
      <short value="IntervalIntakeUntilFirstSymptom" />
      <definition value="IntervalIntakeUntilFirstSymptom" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/IntervalIntakeUntilFirstSymptom" />
      </type>
      <binding>
        <strength value="example" />
        <valueSetReference>
          <reference value="" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:ActiveOrPlaceboChallenge">
      <path value="Basic.extension" />
      <sliceName value="ActiveOrPlaceboChallenge" />
      <short value="ActiveOrPlaceboChallenge" />
      <definition value="ActiveOrPlaceboChallenge" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/ActiveOrPlaceboChallenge" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:FoodProtocol">
      <path value="Basic.extension" />
      <sliceName value="FoodProtocol" />
      <short value="FoodProtocol" />
      <definition value="FoodProtocol" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/FoodProtocol" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://www.hl7.org/FHIR/valueset-food-type.html" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:OASSymptoms">
      <path value="Basic.extension" />
      <sliceName value="OASSymptoms" />
      <short value="OASSymptoms" />
      <definition value="OASSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/OASSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:BlistersOralMucosaSymptoms">
      <path value="Basic.extension" />
      <sliceName value="BlistersOralMucosaSymptoms" />
      <short value="BlistersOralMucosaSymptoms" />
      <definition value="BlistersOralMucosaSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/BlistersOralMucosaSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:UrticariaSymptoms">
      <path value="Basic.extension" />
      <sliceName value="UrticariaSymptoms" />
      <short value="UrticariaSymptoms" />
      <definition value="UrticariaSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/UrticariaSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:AngioedemaSymptoms">
      <path value="Basic.extension" />
      <sliceName value="AngioedemaSymptoms" />
      <short value="AngioedemaSymptoms" />
      <definition value="AngioedemaSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/AngioedemaSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:FlushSymptoms">
      <path value="Basic.extension" />
      <sliceName value="FlushSymptoms" />
      <short value="FlushSymptoms" />
      <definition value="FlushSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/FlushSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:RhinitisSymptoms">
      <path value="Basic.extension" />
      <sliceName value="RhinitisSymptoms" />
      <short value="RhinitisSymptoms" />
      <definition value="RhinitisSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/RhinitisSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:GeneralisedPruritusSymptoms">
      <path value="Basic.extension" />
      <sliceName value="GeneralisedPruritusSymptoms" />
      <short value="GeneralisedPruritusSymptoms" />
      <definition value="GeneralisedPruritusSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/GeneralisedPruritusSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:ConjunctivitisSymptoms">
      <path value="Basic.extension" />
      <sliceName value="ConjunctivitisSymptoms" />
      <short value="ConjunctivitisSymptoms" />
      <definition value="ConjunctivitisSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/ConjunctivitisSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:LarynxEdemaSymptoms">
      <path value="Basic.extension" />
      <sliceName value="LarynxEdemaSymptoms" />
      <short value="LarynxEdemaSymptoms" />
      <definition value="LarynxEdemaSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/LarynxEdemaSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:CoughSymptoms">
      <path value="Basic.extension" />
      <sliceName value="CoughSymptoms" />
      <short value="CoughSymptoms" />
      <definition value="CoughSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/CoughSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:DyspneaSymptoms">
      <path value="Basic.extension" />
      <sliceName value="DyspneaSymptoms" />
      <short value="DyspneaSymptoms" />
      <definition value="DyspneaSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/DyspneaSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:BronchospasmSymptoms">
      <path value="Basic.extension" />
      <sliceName value="BronchospasmSymptoms" />
      <short value="BronchospasmSymptoms" />
      <definition value="BronchospasmSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/BronchospasmSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:DysphagiaSymptoms">
      <path value="Basic.extension" />
      <sliceName value="DysphagiaSymptoms" />
      <short value="DysphagiaSymptoms" />
      <definition value="DysphagiaSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/DysphagiaSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:LocalPruritusSymptoms">
      <path value="Basic.extension" />
      <sliceName value="LocalPruritusSymptoms" />
      <short value="LocalPruritusSymptoms" />
      <definition value="LocalPruritusSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/LocalPruritusSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:GastricPainBrningAbdominalPainSymptoms">
      <path value="Basic.extension" />
      <sliceName value="GastricPainBrningAbdominalPainSymptoms" />
      <short value="GastricPainBrningAbdominalPainSymptoms" />
      <definition value="GastricPainBrningAbdominalPainSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/GastricPainBrningAbdominalPainSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:NauseaSymptoms">
      <path value="Basic.extension" />
      <sliceName value="NauseaSymptoms" />
      <short value="NauseaSymptoms" />
      <definition value="NauseaSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/NauseaSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:EmesisSymptoms">
      <path value="Basic.extension" />
      <sliceName value="EmesisSymptoms" />
      <short value="EmesisSymptoms" />
      <definition value="EmesisSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/EmesisSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:DiarrhoeaSymptoms">
      <path value="Basic.extension" />
      <sliceName value="DiarrhoeaSymptoms" />
      <short value="DiarrhoeaSymptoms" />
      <definition value="DiarrhoeaSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/DiarrhoeaSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:DropOfBloodPressureAtLeast20mmHgSymptoms">
      <path value="Basic.extension" />
      <sliceName value="DropOfBloodPressureAtLeast20mmHgSymptoms" />
      <short value="DropOfBloodPressureAtLeast20mmHgSymptoms" />
      <definition value="DropOfBloodPressureAtLeast20mmHgSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/DropOfBloodPressureAtLeast20mmHgSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:ShockSymptoms">
      <path value="Basic.extension" />
      <sliceName value="ShockSymptoms" />
      <short value="ShockSymptoms" />
      <definition value="ShockSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/ShockSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
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    </element>
    <element id="Basic.Extension:OtherSymptoms">
      <path value="Basic.extension" />
      <sliceName value="OtherSymptoms" />
      <short value="OtherSymptoms" />
      <definition value="OtherSymptoms" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/OtherSymptoms" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
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    </element>
    <element id="Basic.Extension:OtherSymptomsSpecific">
      <path value="Basic.extension" />
      <sliceName value="OtherSymptomsSpecific" />
      <short value="OtherSymptomsSpecific" />
      <definition value="OtherSymptomsSpecific" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/OtherSymptomsSpecific" />
      </type>
    </element>
    <element id="Basic.Extension:WholeDoseIngested">
      <path value="Basic.extension" />
      <sliceName value="WholeDoseIngested" />
      <short value="WholeDoseIngested" />
      <definition value="WholeDoseIngested" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/WholeDoseIngested" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Basic.Extension:DoseIngestedIfNotWhole">
      <path value="Basic.extension" />
      <sliceName value="DoseIngestedIfNotWhole" />
      <short value="DoseIngestedIfNotWhole" />
      <definition value="DoseIngestedIfNotWhole" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/DoseIngestedIfNotWhole" />
      </type>
    </element>
    <element id="Basic.Extension:WorseningOfEczema">
      <path value="Basic.extension" />
      <sliceName value="WorseningOfEczema" />
      <short value="WorseningOfEczema" />
      <definition value="WorseningOfEczema" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://purl.org/elab/fhir/network/StructureDefinition/1/WorseningOfEczema" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/v2-0136" />
        </valueSetReference>
      </binding>
    </element>
  </differential>
</StructureDefinition>