Published on in Vol 18, No 4 (2016): April
1 Division of General Internal Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
2 Brigham and Women's Physicians Organization, Brigham and Women's Hospital, Boston, MA, United States
3 Massachusetts General Physicians Organization, Massachusetts General Hospital, Boston, MA, United States
4 Information Services, Partners HealthCare, Boston, MA, United States
5 Department of Healthcare Policy and Management, Harvard School of Public Health, Boston, MA, United States