1. University of California, San Francisco
2. Group Health Research Institute, Seattle, Washington
3. University of Iowa, Iowa City
4. Columbia University, New York, New York
5. University of Georgia, Athens
6. State University of New York Upstate Medical University, Syracuse
7. Pima County Department of Health, Tucson, Arizona
8. Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts
9. Duke University, Durham, North Carolina
10. Fairfax Family Practice Residency, Fairfax, Virginia11Virginia Commonwealth University, Richmond
11. Yale University, New Haven, Connecticut
12. University of Alabama at Birmingham
13. University of California, Los Angeles
14. University of Washington, Seattle,
15. Brown University, Providence, Rhode Island
16. University of Texas at Austin
17. Mount Sinai School of Medicine, New York, New York19James J. Peters Veterans Affairs Medical Center, Bronx, New York