{"groups":[{"description":"Transoral Robotic Surgery (TORS) using the Da Vinci Robotic Surgical System\n\nDa Vinci Robotic Transoral Robotic Surgical System: (TORS) Da Vinci Robotic Transoral Robotic Surgical System","id":"FG000","title":"Transoral Robotic Surgery (TORS)"}],"periods":[{"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"58"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"54"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"4"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}