{"groups":[{"description":"Participants receive busulfan IV over 2 hours and fludarabine IV over 30 minutes on days -5 to -2. Participants undergo hematopoietic stem cell transplant (HSCT) on day 0. Participants then receive cyclophosphamide IV over 60 minutes on days 3 and 4.","id":"FG000","title":"All Particpants - Treatment"}],"periods":[{"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"6"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"6"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"0"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}