1. From the Departments of Nutrition (QS, HC, and FBH) and Epidemiology (DM and FBH), Harvard School of Public Health, Boston, MA, and the Channing Laboratory (JM, DM, and FBH), the Division of Cardiovascular Medicine (CMA and DM), and the Division of Preventive Medicine (KMR and CMA), Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA