1. Division of Pediatric Endocrinology, Department of Pediatrics (A.M., C.D., M.A.L.), Baltimore, Maryland 21287
2. Illysa Center for Molecular and Cellular Endocrinology (A.M., C.D., M.A.L.), Baltimore, Maryland 21287
3. Unit of Genetics and Endocrinology, Developmental Endocrinology Branch, National Institutes of Health (I.B., M.A.L.), Bethesda, Maryland 20892
4. Department of Pathology (S.S.K., W.H.W.), The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287
5. The Children’s Hospital at The Cleveland Clinic (M.A.L.), Cleveland, Ohio 44195