Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK. School of Social and Community Medicine, University of Bristol, Bristol, UK. Medical Research Council/University of Bristol Integrative Epidemiology Unit, University of Bristol, and National Institute for Health Research, Bristol Biomedical Research Unit in Nutrition, Bristol, UK. School of Clinical Science, Faculty of Medicine, University of Bristol, Bristol, UK. Division of Cancer Epidemiology and Genetics, U.S. National Cancer Institute, Bethesda, MD, USA. Dt. for Determinants of Chronic Diseases, National Institute for Public Health and the Environment (RIVM), Bilthoven, and Dt. of Gastroenterology and Hepatology, University Medical Centre, Utrecht, The Netherlands, and Dt. of Social & Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia. Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK. Departments of Epidemiology & Biostatistics and Urology, University of California San Francisco, CA, USA. Division of Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA. Department of Epidemiology, Murcia Regional Health Council, IMIB-Arrixaca, and CIBER Epidemiología y Salud Pública, Spain. Sorbonne Paris Cité Epidemiology and Biostatistics Research Center, Nutritional Epidemiology Research Team, Inserm U1153, Inra U1125, Cnam, University Paris 13, University Paris 5, University Paris 7, F-93017, Bobigny, France. Intramural Research Program, National Institute on Aging, Baltimore, MD, USA. Cancer Epidemiology Centre, Cancer Council Victoria, Melbourne, and Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, University of Melbourne, Victoria, Australia. Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA. Department of Nutrition and Department of Medicine, Harvard School of Public Health, Boston, MA, USA. Division of Research, Kaiser Permanente, Northern California, Oakland, California, USA. Nuffield Department of Surgery, University of Oxford, UK. The Prevention and Research Center, Mercy Medical Center, Baltimore, MD, USA. Erasmus MC, Dept Internal Medicine, Rotterdam, the Netherlands. Division of Cancer Epidemiology, German Cancer Research Centre, Heidelberg, Germany. University of Occupational and Environmental Health, Kitakyushu, Japan. University of Hawaii Cancer Center, Honolulu, HI, USA. Department of Neurology, University of Tennessee Health Science Center, Memphis, TN. Kyoto Prefectural University of Medicine, Kyoto, Japan. Wolfson Institute of Preventive Medicine, Queen Mary University of London, Charterhouse Square, London, UK. Department of Oncology, University of Cambridge, UK. Radiation Effects Research Foundation, Hiroshima, Japan. Molecular and Nutritional Epidemiology Unit, Cancer Research and Prevention Institute - ISPO, Florence, Italy. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA. Departments of Medicine and Oncology, McGill University, Montreal, QC, Canada. Erasmus MC, Dept of Urology Rotterdam, the Netherlands. Cancer Prevention Program, Fred Hutchinson Cancer Research Center, Seattle, WA, USA. Department of Epidemiology, University of Washington, Seattle, WA, USA. Human Genetics Foundation, Torino, Italy. Channing Division of Network Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA. Department of Surgical and Perioperative Sciences, Urology and Andrology, Umeå University, Umeå, Sweden. Hokkaido University Graduate School of Medicine, Sapporo, Japan. SWOG Statistical Center, Fred Hutchinson Cancer Research Center, and Department of Biostatistics, University of Washington, Seattle, WA, USA. Clinical Trials Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK.