1. Diabetes, Obesity and Metabolism Institute (J.C.A.-P., J.L., C.R., F.R.-P., R.C.V., A.G.-O.), Division of Endocrinology, Diabetes and Bone Diseases, The Mindich Child Health and Development Institute, Icahn School of Medicine at Mt Sinai, New York, New York 10029;
2. Department of Medicine (T.C.R., G.P.C., S.R.V.), Division of Endocrinology and Metabolism, University of Pittsburgh, Pittsburgh, Pennsylvania 15261