1. From the Department of Epidemiology, College of Human Medicine (EMV), and the Data Coordinating Center and Department of Epidemiology (J-PH), Michigan State University, East Lansing, MI; the Environmental Epidemiology Branch (CS) and the Nutritional Epidemiology Branch (AS), Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD; the Department of Epidemiology, Univ