1. Department of Internal Medicine (A.R.A., J.R.S., S.B.B., R.N., M.G., I.M., M.R.H., M.S.J., M.S., A.W.C., V.G.D.), University of Missouri School of Medicine, Columbia, Missouri 65212
2. Diabetes and Cardiovascular Center (A.R.A., J.R.S., S.B.B., R.N., M.G., I.M., M.R.H., M.S.J., M.S., A.W.C., V.G.D.), University of Missouri, Columbia, Missouri 65212
3. Harry S. Truman Memorial Veterans' Hospital (A.R.A., J.R.S., S.B.B., R.N., M.G., I.M., M.R.H., M.S.J., M.S., A.W.C.), Columbia, Missouri 65212
4. Department of Medical Pharmacology and Physiology (J.R.S., V.G.D.), University of Missouri School of Medicine, Columbia, Missouri 65212