1. Obstetrics and Gynaecology, Lohja Hospital, Lohja, Finland
2. HUS Medical Imaging Centre, Radiology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
3. HUS Abdominal Centre, Endocrinology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
4. Obstetrics and Gynaecology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland