Walter C. Willett, M.D., Dr.P.H., and David S. Ludwig, M.D., Ph.D.
From the Departments of Nutrition (W.C.W., D.S.L.) and Epidemiology (W.C.W.), Harvard T.H. Chan School of Public Health; Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School (W.C.W.); the Department of Pediatrics, Harvard Medical School (D.S.L.); and the New Balance Foundation Obesity Prevention Center, Boston Children’s Hospital (D.S.L.) — all in Boston.
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