1. Harvard T.H. Chan School of Public Health, Boston, Massachusetts (T.B.)
2. Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (B.S.)
3. Massachusetts General Hospital, Boston, Massachusetts (S.E.W.)
4. Brigham and Women's Hospital, Boston, Massachusetts (M.G.)
5. Harvard T.H. Chan School of Public Health and Brigham and Women's Hospital, Boston, Massachusetts (M.L.B.)