1. From the Departments of Internal Medicine (A.W.-C., J.H., R.N., S.A.C., P.R.K., M.R.H., N.R., V.G.D., B.T.A., Y.W., J.R.S.) and Medical Pharmacology and Physiology (J.R.S.) and the Diabetes and Cardiovascular Laboratory (A.W.-C., J.H., R.N., S.A.C., P.R.K., M.R.H., N.R., V.G.D., B.T.A., Y.W., J.R.S.), University of Missouri School of Medicine, Columbia; the Harry S. Truman Veterans’ Affairs Medical Center (A.W.-C., J.R.S.), Columbia, Mo; and the School of Medicine (C.F.), Wake Forest University,...