{
  "resourceType": "NamingSystem",
  "name": "researchsubject-identifier",
  "status": "draft",
  "kind": "identifier",
  "date": "2017-09-15",
  "publisher": "Clinicalsite.org",
  "description": "Identifier for clinical trial participants",
  "usage": "",
  "uniqueId": [
    {
      "type": "uri",
      "value": "http://clinicalsite.org/fhir/NamingSystem/researchsubject-identifier",
      "preferred": true,
      "period": {
        "start": "2017-12-14"
      }
    }
  ]
}