1. Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts
2. Division of General Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts
3. OptumLabs Visiting Fellow, Eden Prairie, Minnesota
4. RAND Corporation, Arlington, Virginia
5. Division of General Internal Medicine and Primary Care, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
6. Department of Health Policy and Management, Harvard T. H. Chan School of Public Health, Boston, Massachusetts