1. University of California, San Francisco
2. Kaiser Permanente Washington Health Research Institute, Seattle
3. University of Iowa, Iowa City
4. Harvard Medical School, Boston, Massachusetts
5. Columbia University, New York, New York
6. University of Pennsylvania, Philadelphia
7. Virginia Tech Carilion School of Medicine, Roanoke
8. Duke University, Durham, North Carolina
9. Fairfax Family Practice Residency, Fairfax, Virginia10Virginia Commonwealth University, Richmond
10. Yale University, New Haven, Connecticut
11. University of Alabama at Birmingham, Birmingham
12. University of California, Los Angeles
13. Brown University, Providence, Rhode Island
14. Boston University, Boston, Massachusetts
15. Northwestern University, Evanston, Illinois
16. Mount Sinai Hospital, New York, New York18James J. Peters Veterans Affairs Medical Center, Bronx, New York
17. Pacific Health Research and Education Institute, Honolulu, Hawaii20University of Hawaii, Honolulu