1. From the Division of Endocrinology, Diabetes and Metabolism, Department of Medicine (G.J., J.H., V.G.D., A.T.W.-C., A.R.A., J.R.S.), Division of Nephrology and Hypertension, Department of Medicine (A.T.W.-C.), Department of Medical Pharmacology and Physiology (V.G.D., L.A.M.-L., T.L.D., G.A.M., J.R.S.), and Department of Radiology (L.M.), University of Missouri School of Medicine, Columbia; Research Service, Harry S Truman Memorial Veterans Hospital, Columbia, MO (G.J., J.H., V.G.D., L.A.M.-L., L.M....