{
  "resourceType": "StructureDefinition",
  "id": "researchStudy-siteRecruitment",
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "brr"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 0
    }
  ],
  "url": "http://hl7.org/fhir/StructureDefinition/researchStudy-siteRecruitment",
  "version": "4.6.0",
  "name": "siteRecruitment",
  "title": "siteRecruitment",
  "status": "draft",
  "date": "2021-03-31T00:00:00+00:00",
  "publisher": "HL7",
  "description": "Target and actual numbers of sites for a study.",
  "fhirVersion": "4.6.0",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "ResearchStudy"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Target and actual numbers of sites for a study",
        "definition": "Target and actual numbers of sites for a study.",
        "comment": "Using Group for sites in the same way as for subjects would be appropriate but would need to extend Group to allow this.",
        "min": 0,
        "max": "1"
      },
      {
        "id": "Extension.extension:targetNumber",
        "path": "Extension.extension",
        "sliceName": "targetNumber",
        "short": "The desired number of sites",
        "definition": "The desired number of sites.",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Extension"
          }
        ]
      },
      {
        "id": "Extension.extension:targetNumber.extension",
        "path": "Extension.extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.extension:targetNumber.url",
        "path": "Extension.extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "targetNumber"
      },
      {
        "id": "Extension.extension:targetNumber.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "unsignedInt"
          }
        ]
      },
      {
        "id": "Extension.extension:actualNumber",
        "path": "Extension.extension",
        "sliceName": "actualNumber",
        "short": "The actual number of sites",
        "definition": "The actual number of sites.",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Extension"
          }
        ]
      },
      {
        "id": "Extension.extension:actualNumber.extension",
        "path": "Extension.extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.extension:actualNumber.url",
        "path": "Extension.extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "actualNumber"
      },
      {
        "id": "Extension.extension:actualNumber.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "unsignedInt"
          }
        ]
      },
      {
        "id": "Extension.extension:eligibility",
        "path": "Extension.extension",
        "sliceName": "eligibility",
        "short": "Inclusion and exclusion criteria",
        "definition": "Criteria for inclusion or exclusion of sites.",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Extension"
          }
        ]
      },
      {
        "id": "Extension.extension:eligibility.extension",
        "path": "Extension.extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.extension:eligibility.url",
        "path": "Extension.extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "eligibility"
      },
      {
        "id": "Extension.extension:eligibility.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "markdown"
          }
        ]
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "http://hl7.org/fhir/StructureDefinition/patient-animal"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "min": 0,
        "max": "0"
      }
    ]
  }
}