1. Departments of Medicine, Obstetrics & Gynecology, and Epidemiology, University of Michigan, Ann Arbor, Michigan
2. Biostatistics Center, George Washington University, Rockville, Maryland
3. Department of Epidemiology & Biostatistics, George Washington University, Washington, DC
4. Department of Medicine, University of Miami, Miami, Florida
5. Department of Family and Preventive Medicine, University of California, San Diego, California
6. Department of Medicine, Northwestern University, Chicago, Illinois
7. Department of Medicine, Washington University, St. Louis, Missouri
8. Department of Medicine, University of California, Los Angeles, California
9. Department of Medicine, University of Tennessee, Memphis, Tennessee
10. Department of Medicine, Columbia University College of Physicians and Surgeons, New York City, New York
11. National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), Phoenix, Arizona