1. Department of Health, Medicine and Caring Sciences Linköping University Linköping Sweden
2. Department of Obstetrics and Gynecology in Norrköping, and Department of Biomedical and Clinical Sciences Linköping University Linköping Sweden
3. Forum Östergötland and Department of Biomedical and Clinical Sciences Linköping University Linköping Sweden
4. Department of Obstetrics and Gynecology in Linköping, and Department of Biomedical and Clinical Sciences Linköping University Linköping Sweden