1. Department of Health Policy and Management, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
2. Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts
3. New York City Department of Health and Mental Hygiene, New York, New York
4. Department of Population Health, New York University Grossman School of Medicine, New York, New York
5. Department of Medicine, New York University Grossman School of Medicine, New York, New York
6. Office of Ambulatory Care, New York City Health + Hospitals, New York, New York
7. Division of General Internal Medicine and Primary Care, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts