Affiliation: | (1) The Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Department of Health and Human Services, National Institutes of Health, 6120 Executive Blvd., Bethesda, MD 20892, USA;(2) Department of Epidemiology and Preventive Medicine, Regensburg University Medical Center, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany;(3) The Department of Epidemiology and Public Health, Yale School of Medicine, New Haven, CT, USA;(4) The Division of Gastroenterology, University of Michigan School of Medicine and Veterans Affairs Center for Excellence in Health Services Research, 2215 Fuller Road, Ann Arbor, MI 48105, USA;(5) The Division of Gastroenterology, Uniformed Services University of Health Sciences, 8901 Wisconsin Avenue B, Bethesda, MD 20889, USA;(6) The Division of Epidemiology and Community Health and Masonic Cancer Center, University of Minnesota, 1300 South Second Street Suite 300, Minneapolis, MN 55454, USA |