{
  "resourceType": "StructureDefinition",
  "url": "https://example.org/fhir/StructureDefinition/QuestionnaireForDiary",
  "name": "QuestionnaireForDiary",
  "status": "draft",
  "description": "應用於頭痛日誌",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Questionnaire",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Questionnaire",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Questionnaire.item.item",
        "path": "Questionnaire.item.item",
        "contentReference": "http://hl7.org/fhir/StructureDefinition/Questionnaire#Questionnaire.item"
      }
    ]
  }
}