1. Division of Diabetes (B.B., M.R.B., C.D., K.C., R.A.D.), Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229
2. Novartis Institutes for Biomedical Research (C.W., Y.-L.H.), Cambridge, Massachusetts 02139
3. PharmaWrite, L.L.C. (B.E.D.), Princeton, New Jersey 08540
4. Novartis Pharmaceuticals Corp. (M.L.-S., Y.W., J.E.F.), East Hanover, New Jersey 07054
5. Panum Institute (J.J.H., C.F.D.), University of Copenhagen, DK-2400 Copenhagen, Denmark
6. Institute of Biomedical Engineering (A.M.), National Research Council, 35127 Padova, Italy