[1] Faculty of Medicine,Department of Public Health
[2] University of Helsinki,Department of Health Promotion and Chronic Disease Prevention
[3] National Institute for Health and Welfare,undefined
[4] Chronic Disease Epidemiology Laboratory,undefined
[5] Pennington Biomedical Research Center,undefined
[6] Louisiana State University System,undefined
[7] Oulu City Hospital,undefined
[8] Institute of Health Sciences,undefined
[9] Oulu University and Unit of General Practice/Geriatrics,undefined
[10] Finnish Cancer Registry,undefined
[11] Institute for Statistical and Epidemiological Cancer Research,undefined
[12] School of Public Health,undefined
[13] University of Tampere,undefined
[14] South Ostrobothnia Central Hospital,undefined