1. Endocrine (D.M.M., K.B.L., M.C.V., S.M.B., M.M.), Boston, Massachusetts 02114
2. Pediatric Endocrine (D.M.M.), Boston, Massachusetts 02114
3. Units and Departments of Biostatistics (S.R.), Boston, Massachusetts 02114
4. Radiology (M.R.C.), Boston, Massachusetts 02114
5. Massachusetts General Hospital, and Endocrine Unit (C.B.B.), Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02114