1. Meyers Primary Care Institute, A Joint Endeavor of University of Massachusetts Medical School, Reliant Medical Group, and Fallon Health, Worcester, Massachusetts
2. Division of Geriatric Medicine, Department of Medicine, University of Massachusetts Medical School, Worcester
3. Department of Population and Quantitative Health Sciences, University of Massachusetts Medical School, Worcester
4. Division of Research, Kaiser Permanente Northern California, Oakland
5. Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena
6. Center for Health Research, Kaiser Permanente Northwest, Portland, Oregon
7. Department of Epidemiology and University of California, San Francisco
8. Department of Biostatistics and University of California, San Francisco
9. Department of Medicine, University of California, San Francisco
10. Department of Medicine, Stanford University, California