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. Columbia University, New York, 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. Brown University, Providence, Rhode Island
17. Boston University, Boston, Massachusetts
18. Northwestern University, Evanston, Illinois
19. University of Hawaii, Honolulu
20. Pacific Health Research and Education Institute, Honolulu, Hawaii
21. Tufts University, Medford, Massachusetts