Rey Juan Carlos University, Rey Juan Carlos University, affiliation not provided to SSRN, University of Oslo - Oslo Centre for Biostatistics and Epidemiology, UiT The Arctic University of Norway, Norwegian Centre for E-health Research and King Juan Carlos University

University of Oslo - Department of Nutrition, Oslo University Hospital - Unit for Cardiac and Cardiovascular Genetics, University of Oslo - Department of Nutrition, University of Oslo - Department of Nutrition, Norwegian Institute of Public Health, University of Oslo - Department of Nutrition, University of Oslo - Department of Nutrition, Oslo University Hospital, Rikshospitalet - Department of Obstetrics, Oslo University Hospital, Rikshospitalet - Department of Obstetrics, Erasmus University Medical Center - Department of Internal Medicine, Norwegian Institute of Public Health - Centre for Fertility and Health,, University of Oslo - Oslo Centre for Biostatistics and Epidemiology and University of Oslo - Department of Nutrition

Cancer Registry of Norway, Norwegian Institute of Public Health, University of Oslo - Oslo Centre for Biostatistics and Epidemiology, University of Oslo - Oslo University Hospital, University of Oslo - Oslo University Hospital, Cancer Registry of Norway and Vestre Viken Hospital Trust