1. From the Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN (JAN, LMS, and DRJ); the Department of Nutrition, University of Oslo, Oslo, Norway (DRJ); the Department of Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany (MBS); the Department of Pathology, University of Vermont, Burlington, VT (NSJ);