1. Memphis Veterans Affairs Medical Center and University of Tennessee Health Sciences Center, Memphis
2. Columbia University College of Physicians and Surgeons, New York, New York
3. Wake Forest School of Medicine, Wake Forest, North Carolina
4. University of Washington, Seattle
5. University of North Carolina, Chapel Hill
6. Li Ka Shing Knowledge Institute and Keenan Research Centre for Biomedical Science, St. Michael's Hospital, University of Toronto, Ontario, Canada
7. HealthPartners Institute, Minneapolis, Minnesota
8. Atlanta Veterans Affairs Medical Center, Atlanta, Georgia
9. Diabetes Endocrine Nutrition Group, Mentor, Ohio
10. McMaster Medical Center, Hamilton, Ontario, Canada
11. Berman Center for Outcomes and Clinical Research, Minneapolis, Minnesota
12. Cleveland Veterans Affairs Medical Center, Cleveland, Ohio
13. Colorado School of Public Health, Aurora, Colorado
14. National Heart, Lung, and Blood Institute, Division of Cardiovascular Sciences, Bethesda, Maryland