1. From the Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA (ESS, KAB, BMB, WCW, and DF); the Departments of Epidemiology (ESS, KAB, and WCW) and Nutrition (LS and WCW), Harvard School of Public Health, Boston, MA; and the Ludwig-Boltzmann Institute–Applied Cancer Research and Applied Cancer Research–Institution for T