1. Division of Metabolism, Endocrinology, and Diabetes, Department of Internal Medicine (N.G., M.S.R., W.C., A.B.), University of Michigan Medical Center, Ann Arbor, Michigan 48109
2. Department of Pediatric Endocrinology (P.T.), Lutheran Children’s Hospital, Fort Wayne, Indiana 46804
3. Department of Pediatric Endocrinology (B.D.), St. John’s Hospital, Detroit, Michigan 48236
4. the Department of Neurosurgery (W.C., A.B.), University of Michigan Medical Center, Ann Arbor, Michigan 48109