1. Denver Health Medical Center, Denver, CO
2. University of Colorado Denver Anschutz Medical Campus, Aurora, CO
3. Institute for Health Research, Kaiser Permanente Colorado, Denver, CO
4. Marshfield Clinic Research Foundation, Marshfield, WI
5. Marshfield Clinic, Marshfield, WI
6. Division of Research, Kaiser Permanente Northern California, Oakland, CA
7. University of California San Francisco, San Francisco, CA
8. Stanford University School of Medicine, Palo Alto, CA
9. Department of Public Health Sciences, Henry Ford Hospital, Detroit, MI
10. Meyers Primary Care Institute, Worcester, MA
11. Division of Cardiology, Mayo Clinic, Rochester, MN
12. Touro College, New York, NY
13. Kaiser Permanente Southern California Department of Research and Evaluation, Pasadena, CA
14. Kaiser Permanente Northwest Center for Health Research, Portland, OR
15. Eastern Colorado VA Health Care System, Denver, CO
16. Harvard Medical School, Boston, MA
17. Harvard School of Public Health, Boston, MA