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. Mayo Clinic, Rochester, Minnesota
10. Virginia Tech Carilion School of Medicine, Roanoke
11. Temple University, Philadelphia, Pennsylvania
12. University of Alabama at Birmingham
13. University of California, Los Angeles
14. University of Massachusetts Medical School, Worcester
15. Boston University, Boston, Massachusetts
16. Northwestern University, Evanston, Illinois
17. University of Hawaii, Honolulu
18. Pacific Health Research and Education Institute, Honolulu, Hawaii
19. Tufts University School of Medicine, Boston, Massachusetts