1. Harvard Medical School, Brigham and Women's Hospital, and Harvard T.H. Chan School of Public Health, Boston, Massachusetts; Collective Health, San Francisco, California; and School of Public Health, Imperial College, London, United Kingdom (S.B.)
2. Harvard Medical School and Beth Israel Deaconess Medical Center, Boston, Massachusetts (R.S.P., B.E.L.)
3. Harvard Medical School, Boston, Massachusetts, and University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina (S.A.B.)
4. Harvard Medical School, Brigham and Women's Hospital, and Harvard T.H. Chan School of Public Health, Boston, Massachusetts (A.B.)
5. Harvard Medical School, Boston, Massachusetts, and American Board of Family Medicine Center for Professionalism and Value in Health Care, Lexington, Kentucky (R.L.P.).