1. Diabetes Center, Massachusetts General Hospital, Boston, Massachusetts
2. Harvard Medical School, Boston, Massachusetts
3. University of North Carolina School of Medicine, Chapel Hill, North Carolina
4. Charles R. Drew University, Los Angeles, California
5. Department of Internal Medicine, University of Pisa, Pisa, Italy
6. Diabetes Trials Unit, Oxford Centre for Diabetes, Endocrinology and Metabolism, Oxford University, Oxford, U.K
7. Yale University School of Medicine, New Haven, Connecticut
8. Samuel Lunenfeld Research Institute, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada