{"groups":[{"description":"single infusion of 1-5x10E8 cells CART-19 cells","id":"FG000","title":"CART-19 Cells"}],"periods":[{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"2"}],"type":"Withdrawal by Subject"},{"reasons":[{"groupId":"FG000","numSubjects":"4"}],"type":"Physician Decision"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"6"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"3"}],"type":"Treated"},{"achievements":[{"groupId":"FG000","numSubjects":"0"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"6"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}