1. Massachusetts General Hospital Diabetes Research Center, Harvard University, Boston, MA
2. Mt. Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
3. The Biostatistics Center, The George Washington University, Rockville, MD
4. University of Western Ontario, London, Ontario, Canada
5. Yale School of Medicine, Yale University, New Haven, CT
6. Joslin Diabetes Center, Boston, MA
7. Division of Diabetes, Endocrinology, & Metabolism, Vanderbilt University, Nashville, TN
8. Department of Medicine, University of California San Diego, La Jolla, CA