1. Institute for Health Research; Kaiser Permanente Colorado; Denver Colorado
2. Department of Family Medicine; University of Colorado School of Medicine; Aurora Colorado
3. Health Services Research and Development; Durham Veterans Affairs Medical Center; Durham North Carolina
4. Division of General Internal Medicine; Department of Medicine; Duke University Medical Center; Durham North Carolina
5. National Committee for Quality Assurance; Washington District of Columbia
6. Division of Geriatric Medicine and Gerontology; Department of Medicine; Johns Hopkins University; Baltimore Maryland
7. Department of Family Medicine; Faculté de Médecine et des Sciences de la Santé; Université de Sherbrooke; Quebec Canada
8. Centers for Medicare and Medicaid Services; Baltimore Maryland
9. Palo Alto Medical Foundation Research Institute; Palo Alto California
10. Group Health Research Institute; Group Health Cooperative; Seattle Washington
11. Department of Medicine; University of California at San Francisco; San Francisco California
12. Center for Innovation to Implementation; Veterans Affairs Palo Alto Health Care System; Menlo Park California
13. Division of General Medical Disciplines; Stanford University; Stanford California