{"groups":[{"description":"Recipients of HLA identical sibling stem cell transplants","id":"FG000","title":"HLA-identical Sibling Transplant"},{"description":"Recipients of unrelated matched or single antigen mismatched donor stem cell transplant or single antigen mismatched family donor stem cell transplants","id":"FG001","title":"Unrelated Matched or Single Antigen Mismatched Transplant"}],"periods":[{"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"3"},{"groupId":"FG001","numSubjects":"1"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"1"},{"groupId":"FG001","numSubjects":"0"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"2"},{"groupId":"FG001","numSubjects":"1"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}