1Department of Clinical Medicine, Aalborg University, Denmark Sdr. Skovvej 15, 9000 Aalborg, Denmark
2Department of Obstetrics and Gynecology, Aalborg University Hospital, Denmark Reberbansgade 15, 9000 Aalborg, Denmark
3Department of Clinical Engineering, Central Denmark Region, Aarhus, Denmark Nørrebrogade 44, 8000 Aarhus C, Denmark
4Department of Radiology, Aalborg University Hospital, Denmark Hobrovej 18-22, 9100 Aalborg, Denmark
5Department of Pathology, Aalborg University Hospital, Denmark Reberbansgade 15, 9000 Aalborg, Denmark