1. From the Division of Endocrinology, Diabetes, and Hypertension (W.H.), and Department of Medicine, Division of Cardiology (R.C.D.), The David Geffen School of Medicine, University of California, Los Angeles; Division of Endocrinology, Metabolism, and Diabetes (E.D.A. and D.A.M.) and Program in Human Molecular Biology and Genetics (E.D.A.), University of Utah, Salt Lake City; Laboratory of Biochemical Genetics and Metabolism (J.L.B.), The Rockefeller University, New York; Department of Pathology and...