1. Division of Research, Kaiser Permanente Northern California, Oakland, California, USA
2. Mathematica, Oakland, California, USA
3. Institute for Health Research, Kaiser Permanente Colorado, Denver, Colorado, USA
4. Colorado Permanente Medical Group, Denver, Colorado, USA
5. Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, California, USA
6. Department of Epidemiology, Colorado School of Public Health, Aurora, Colorado, USA
7. Center for Health Policy & Health Services Research, Henry Ford Health System, Detroit, Michigan, USA
8. Meyers Primary Care Institute, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
9. Department of Population Health Sciences, Geisinger Clinic, Danville, Pennsylvania, USA
10. Department of Family Medicine and Community Health, University of Massachusetts Chan School of Medicine, Worcester, Massachusetts, USA
11. Essentia Institute of Rural Health, Duluth, Minnesota, USA
12. Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, California, USA
13. Mid-Atlantic Permanente Research Institute, Kaiser Permanente, Rockville, Maryland, USA
14. Baylor Scott & White Research Institute, Dallas, Texas, and School of Social Work, University of Texas at Arlington, Arlington, Texas, USA
15. Center for Health Research, Kaiser Permanente Northwest, Portland, Oregon, USA
16. Department of Family Medicine, Oregon Health & Science University, Portland, Oregon, USA
17. OHSU-PSU School of Public Health, Portland, Oregon, USA
18. Division of General and Internal Medicine, School of Medicine, Oregon Health and Science University, Portland, Oregon, USA
19. Department of Family Medicine, University of Washington, Seattle, Washington, USA
20. Center for the Clinicals Trials Network, National Institute on Drug Abuse, National Institutes of Health, Bethesda, Maryland, USA
21. Department of Pain Medicine, The Permanente Medical Group, Santa Rosa, California, USA
22. Department of Psychiatry and Behavioral Sciences, University of California San Francisco, San Francisco, California, USA