1. Endocrine Unit (B.L., P.D., C.S.K., A.P., F.R.B., H.M.K.), Massachusetts General Hospital, and Harvard Medical School, Boston, Massachusetts 02114;
2. Department of Orthopedic Surgery (W.J.L.), Children’s Hospital and Harvard Medical School, Boston, Massachusetts 02115;
3. Department of Arthritis Unit (S.M.K.), Massachusetts General Hospital, and Harvard Medical School, Boston, Massachusetts 02114