1. Neuroendocrine Unit (M.R., N.M., K.K.M., A.K., M.M.), Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114
2. Pediatric Endocrine Unit (M.R., M.M.), Mass General Hospital for Children and Harvard Medical School, Boston, Massachusetts 02114
3. Maine Medical Center Research Institute (C.J.R.), Scarborough, Maine 04074
4. Biostatistical Core (H.L.), Harvard Catalyst, Boston, Massachusetts 02114