1. Brigham and Women's Hospital Boston Massachusetts USA
2. Harvard Medical School Boston Massachusetts USA
3. Cleveland Clinic Cleveland Ohio USA
4. Kaiser Permanente Washington Health Research Institute Seattle Washington USA
5. Pennington Biomedical Research Center Baton Rouge Louisiana USA
6. University of Pittsburgh Medical Center Pittsburgh Pennsylvania USA
7. University of Washington Medical School Seattle Washington USA
8. Joslin Diabetes Center Boston Massachusetts USA
9. AdventHealth Research Institute Orlando Florida USA