{
  "resourceType": "StructureDefinition",
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    }
  ],
  "url": "https://purl.org/elab/fhir/StructureDefinition/StudyGroup",
  "name": "StudyGroup",
  "status": "draft",
  "date": "2017-06-13T10:11:26.3717158+00:00",
  "description": "Holds information about the study",
  "fhirVersion": "3.0.0",
  "kind": "resource",
  "abstract": false,
  "type": "Basic",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Basic",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "path": "Basic.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "rules": "open"
        }
      },
      {
        "id": "Basic.extension:name",
        "path": "Basic.extension",
        "sliceName": "name",
        "short": "Name",
        "definition": "Study group name",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": "https://purl.org/elab/fhir/StructureDefinition/Name"
          }
        ]
      },
      {
        "id": "Basic.extension:description",
        "path": "Basic.extension",
        "sliceName": "description",
        "short": "Description",
        "definition": "Description",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": "https://purl.org/elab/fhir/StructureDefinition/Description"
          }
        ]
      },
      {
        "id": "Basic.extension:agency",
        "path": "Basic.extension",
        "sliceName": "Agency",
        "short": "Agency",
        "definition": "DDI agency identifier for the metadata from registration, e.g. us.icpsr, http://registry.ddialliance.org/Agency/Search?term=us",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": "https://purl.org/elab/fhir/StructureDefinition/Agency"
          }
        ]
      },
      {
        "id": "Basic.extension:citation",
        "path": "Basic.extension",
        "sliceName": "citation",
        "short": "Citation",
        "definition": "Holds reference information about the study",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": "https://purl.org/elab/fhir/StructureDefinition/CitationRef"
          }
        ]
      },
      {
        "id": "Basic.extension:fundingInformation",
        "path": "Basic.extension",
        "sliceName": "fundingInformation",
        "short": "Funding information",
        "definition": "Holds information about the current funder/s",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "Extension",
            "profile": "https://purl.org/elab/fhir/StructureDefinition/FundingInformationRef"
          }
        ]
      },
      {
        "id": "Basic.extension:abstract",
        "path": "Basic.extension",
        "sliceName": "abstract",
        "short": "Abstract",
        "definition": "A brief description of the study. A word limit of 300 words has been set.",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "Extension",
            "profile": "https://purl.org/elab/fhir/StructureDefinition/Abstract"
          }
        ]
      },
      {
        "id": "Basic.extension:universe",
        "path": "Basic.extension",
        "sliceName": "universe",
        "short": "Universe",
        "definition": "A description of the population of the study.",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": "https://purl.org/elab/fhir/StructureDefinition/Universe"
          }
        ]
      },
      {
        "id": "Basic.extension:namingSystem",
        "path": "Basic.extension",
        "sliceName": "namingSystem",
        "short": "The system issuing identifiers",
        "definition": "The system issuing identifiers as used in the Annotation>Resource Generators> 'system' field.",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "Extension",
            "profile": "https://purl.org/elab/fhir/StructureDefinition/NamingSystemRef"
          }
        ]
      }
    ]
  }
}