1. Division of Endocrinology and Metabolism (R.N., L.S.F., J.L., S.S.P., B.D.G., M.O.T.), Virginia 22908
2. Department of Medicine, Center for Diabetes Technology (L.S.F.), Virginia 22908
3. Department of Pharmacology (M.L.J.), University of Virginia, Charlottesville, Virginia 22908