1. Oslo Centre for Biostatistics and Epidemiology, Department of Biostatistics, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
2. Department of Research, Cancer Registry of Norway, Institute of Population-Based Cancer Research, Oslo, Norway
3. Population Health Department, QIMR Berghofer Medical Research Institute, Brisbane, Australia
4. Cancer Research UK Manchester and Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
5. Department of Public Health, Faculty of Health Sciences, University of Tromsø, Tromsø, Norway
6. Oslo Centre for Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway