Hanne Haslene-Hox1, Eystein Oveland1, Kathrine Woie2, Helga B. Salvesen2,3, Helge Wiig1, Olav Tenstad1
1University of Bergen, Department of Biomedicine, Bergen, Norway
2Haukeland University Hospital, Department of Obstetrics and Gynecology, Bergen, Norway
3University of Bergen, Department of Clinical Medicine, Bergen, Norway