Norwegian University of Science and Technology (NTNU) - Department of Clinical and Molecular Medicine (IKOM), Norwegian University of Science and Technology (NTNU), Norwegian University of Science and Technology (NTNU) - Department of Public Health and General Practice, University Hospital of Iceland, Umeå University, University of Bergen - Haukeland University Hospital, University of Bergen - Haukeland University Hospital, Vestre Viken Hospital Trust, Vestfold Hospital Trust, Karolinska Institutet - Karolinska University Hospital, Nordlands Hospital Trust, Telemark Hospital Trust, Ålesund Hospital, Innlandet Hospital Trust, Nordlands Hospital Trust, Uppsala University, Umeå University - Umea University Hospital, Norwegian University of Science and Technology (NTNU) and Norwegian University of Science and Technology (NTNU)Trondheim University Hospital - Department of Obstetrics and Gynaecology