1. Meyers Primary Care Institute, a joint endeavor of Fallon Community Health Plan, Reliant Medical Group, and University of Massachusetts Medical School; Worcester; MA; USA
2. Department of Population Medicine; Harvard Medical School and Harvard Pilgrim Health Care Institute; Boston; MA; USA
3. Engelberg Center for Health Care Reform; The Brookings Institution; Washington; DC; USA
4. Humana Inc.; Louisville; KY; USA
5. Kaiser Permanente Northern California; CA; USA
6. Kaiser Permanente Georgia Center for Health Research - Southeast; Atlanta; GA; USA
7. Group Health Research Institute; Seattle; WA; USA
8. Division of Cardiovascular Medicine; University of Massachusetts Medical School; Worcester; MA; USA
9. Center for Drug Evaluation and Research; Food and Drug Administration; Silver Spring; MD; USA