1. Department of Biomedical and Clinical Sciences Linköping University Linköping Sweden
2. Department of Obstetrics and Gynaecology Kalmar County Hospital Kalmar Sweden
3. School of Medical Sciences, Faculty of Medicine and Health Örebro University Örebro Sweden
4. Department of Obstetrics and Gynecology, Faculty of Medicine and Health Örebro University Örebro Sweden
5. Department of Health, Medicine and Caring Sciences Linköping University Linköping Sweden
6. The NEPI Foundation Stockholm Sweden
7. Department of Obstetrics and Gynaecology Linköping University Hospital Linköping Sweden