1. Veterans Affairs Palo Alto Health Care System, Palo Alto, California
2. Stanford University, Stanford, California
3. Feinstein Institute for Medical Research at Northwell Health, Manhasset, New York
4. Fairfax Family Practice Residency, Fairfax, Virginia
5. Virginia Commonwealth University, Richmond
6. Harvard Medical School, Boston, Massachusetts
7. University of California, San Francisco
8. Oregon Health & Science University, Portland
9. University of Iowa, Iowa City
10. University of North Carolina at Chapel Hill
11. Mayo Clinic, Rochester, Minnesota
12. Virginia Tech Carilion School of Medicine, Roanoke
13. Temple University, Philadelphia, Pennsylvania
14. New York University, New York, New York
15. University of Massachusetts Medical School, Worcester
16. Boston University, Boston, Massachusetts
17. Northwestern University, Evanston, Illinois
18. University of Hawaii, Honolulu
19. Pacific Health Research and Education Institute, Honolulu, Hawaii
20. Tufts University School of Medicine, Boston, Massachusetts