{"groups":[{"description":"Revlimid + rituximab with dexamethasone","id":"FG000","title":"Cohort 1"},{"description":"Revlimid + rituximab (without dexamethasone)","id":"FG001","title":"Cohort 2"}],"periods":[{"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"27"},{"groupId":"FG001","numSubjects":"23"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"27"},{"groupId":"FG001","numSubjects":"23"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}