1. From the Nutritional Epidemiology Branch (MEW, KAL, SJW, and DA) and the Genetic Epidemiology Branch (PRT), Division of Cancer Epidemiology and Genetics, and the Cancer Prevention Fellowship Program, Division of Cancer Prevention (KAL), National Cancer Institute, National Institutes of Health, Bethesda, MD, and the Department of Health Promotion and Chronic Disease Prevention, National Public Hea