1. Department of Health Policy & Management, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
2. Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts
3. Department of Medicine, Duke University, Durham, North Carolina
4. Duke-Margolis Center for Health Policy, Durham, North Carolina
5. Department of Pediatrics, Boston Medical Center and Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts