1. University of Iowa, Iowa City
2. Fairfax Family Practice Residency, Fairfax, Virginia
3. Virginia Commonwealth University, Richmond
4. Veterans Affairs Palo Alto Health Care System, Palo Alto, California
5. Stanford University, Stanford, California
6. Harvard Medical School, Boston, Massachusetts
7. Oregon Health & Science University, Portland
8. Feinstein Institute for Medical Research at Northwell Health, Manhasset, New York
9. University of Pennsylvania, Philadelphia
10. Virginia Tech Carilion School of Medicine, Roanoke
11. Kaiser Permanente Washington Health Research Institute, Seattle
12. Nationwide Children’s Hospital, Columbus, Ohio
13. Temple University, Philadelphia, Pennsylvania
14. University of Alabama at Birmingham
15. University of California, Los Angeles
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, Medford, Massachusetts