J Occup Environ Med 2019 01;61(1):41-46
Faculty of Social Sciences, University of Tampere, Tampere, Finland (Drs Michalek, Pukkala), Department of Research, Cancer Registry of Norway, Institute of Population-Based Cancer Research, Oslo, Norway (Martinsen, Drs Weiderpass, Kjaerheim), Department of Community Medicine, Faculty of Health Sciences, University of Tromsø, The Arctic University of Norway, Tromsø, Norway (Dr Weiderpass), Genetic Epidemiology Group, Folkhälsan Research Center and Faculty of Medicine, University of Helsinki, Helsinki, Finland (Dr Weiderpass), Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (Dr Weiderpass), Center for Epidemiology and Screening, Institute of Public Health, University of Copenhagen, Copenhagen, Denmark (Dr Lynge), Icelandic Cancer Registry, Reykjavik, Iceland (Dr Tryggvadottir), Finnish Cancer Registry, Institute for Statistical and Epidemiological Cancer Research, Helsinki, Finland (Dr Pukkala).