1. Queens Long Island Medical Group (Y.D.), North Shore-Long Island Jewish (NS-LIJ) Health System, Hicksville, New York 11801;
2. National Institute of Diabetes and Digestive and Kidney Diseases (K.I.R.), Bethesda, Maryland 20892;
3. Laboratory of Diabetes and Diabetes-Related Research (I.W., S.Q., S.G., J.R.), Feinstein Institute for Medical Research, NS-LIJ Health System, Manhasset, New York 11030;
4. Albert Einstein College of Medicine (A.L.S., J.R.), Yeshiva University, Bronx, New York 10461;
5. Division of Endocrinology, Diabetes, and Metabolism (A.D.), New York University School of Medicine, New York, New York 10016;
6. Veterans Administration New York Harbor Healthcare System (A.D.), New York, New York 10010;
7. Division of Endocrinology (T.L.B.), NS-LIJ Health System, Great Neck, New York 11021;
8. Hofstra NS-LIJ School of Medicine (T.L.B., J.R.), NS-LIJ Health System, Manhasset, New York 11549;
9. Endocrinology and Metabolism (N.K.), Geisinger Health System, State College, Pennsylvania 16801;
10. Endocrine Associates of Long Island (M.H.S.), P.C., Smithtown, New York 11787;
11. Stony Brook University Hospital (M.H.S.), Stony Brook, New York 11794;
12. Division of Endocrinology, Diabetes, and Bone Diseases (D.L.), The Samuel Bronfman Department of Medicine, Mt. Sinai School of Medicine, New York, New York 10029;
13. Diabetes and Metabolism Clinical Research Center of Excellence (D.L.), Clinical Research Institute at Rambam, Haifa, Israel 31096;
14. Endocrine Unit (R.V.), Department of Clinical and Molecular Biomedicine, University of Catania, Garibaldi-Nesima Hospital, Catania, and Istituto di Biostrutture e Bioimmagini-Consilgio Nazionale delle Richerche Catania Section, Catania, Italy 95131;
15. Division of Endocrinology (C.A.K.), Department of Medicine, University of Mississippi School of Medicine, Jackson, Mississippi 39216