1. From the Department of Internal Medicine, Division of Endocrinology and Molecular Medicine (A.J., V.N., L.R.T., N.R.W., D.R.v.d.W., F.C.d.B.), the Departments of Surgery (C.R.) and Physiology (M.C.d.B.), the Cardiovascular Research Center (A.J., M.C.d.B., V.N., L.R.T., N.R.W., D.R.v.d.W., F.C.d.B.), and the Graduate Center for Nutritional Sciences (A.J., M.C.d.B., V.N., L.R.T., N.R.W., D.R.v.d.W., F.C.d.B.), University of Kentucky; and Veterans Affairs Hospital (L.R.T., F.C.d.B.), Lexington, Ky.