1. From the Departments of Nutrition (SEC, ELG, DJH, MJS, WCW, and EBR) and Epidemiology (ELG, DJH, SEH, MJS, WCW, and EBR), Harvard School of Public Health, Boston, MA, and the Division of Preventive Medicine (SEC) and the Channing Laboratory (ELG, DJH, SEH, MJS, WCW, and EBR), Department of Medicine, Brigham and Women′s Hospital and Harvard Medical School, Boston, MA