Affiliation: | 1. Cancer Registry of Norway, Oslo, Norway;2. Women and Children's Division, National Advisory Unit for Women's Health, Oslo University Hospital, Oslo, Norway;3. Department of Pharmacoepidemiology, Norwegian Institute of Public Health, Oslo, Norway;4. Department of Chronic Diseases, Norwegian Institute of Public Health, Oslo, Norway;5. Department of Community Medicine, Faculty of Health Sciences, University of Troms?, the Arctic University of Norway, Troms?, Norway;6. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden;7. Department of Genetic Epidemiology, Folkh?lsan Research Center, Helsinki, Finland;8. Department of Preventive Medicine, University of Southern California, Los Angeles, CA;9. Oslo and Akershus University College of Applied Sciences, Faculty of Health Science, Oslo, Norway |