1Division of Endocrinology (C.A.S., P.S.T., C.M., P.U., P.B., L.S., L.W.), Philadelphia, Pennsylvania 19104
2Department of Genetics (A.G.), University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104
3Departments of Radiology (R.K.), Philadelphia, Pennsylvania 19104
4Pathology (E.R., M.S.), Philadelphia, Pennsylvania 19104
5Surgery (N.S.A.), The Children’s Hospital of Philadelphia