1. Section of Adult and Pediatric Endocrinology, Diabetes, and Metabolism (R.L.R., S.A.W.G.), The University of Chicago Pritzker School of Medicine, Chicago, Illinois 60637
2. Department of Pediatrics (L.A.D.), Indiana University School of Medicine, Indianapolis, Indiana 46202
3. Division of Endocrinology, Diabetes, and Metabolism (N.M.), Nemours Children's Clinic, Jacksonville, Florida 32207
4. Department of Pediatrics (J.R.), Jefferson University, Philadelphia, Pennsylvania 19107
5. Nemours/duPont Hospital for Children (J.R.), Wilmington, Delaware 19803
6. Reproductive Endocrine Unit (N.D.S.), Massachusetts General Hospital, Boston, Massachusetts 02114
7. Division of Endocrinology (N.D.S., E.T.R.), Boston Children's Hospital, Boston, Massachusetts 02115
8. Department of Pediatrics (M.H.), Children's Nutrition Research Center, Baylor College of Medicine, Houston, Texas 77030
9. Connecticut Children's Medical Center (K.R.), Hartford, Connecticut 06106
10. University of Connecticut School of Medicine (K.R.), Farmington, Connecticut 06032