1. Research Division, Joslin Diabetes Center, Boston, MA 02215, USA.
2. Department of Medicine, Harvard Medical School, Boston, MA 02215, USA.
3. Department of Metabolic Diseases, Jagiellonian University Medical College, 31-008 Krakow, Poland.
4. Diabetes and Complication Department, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN 46225, USA.
5. Genomics, Proteomics, Bioinformatics and Systems Biology Center, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA.
6. JDRF International, New York, NY 10281, USA.