1. Copenhagen Academy for Medical Education and Simulation Copenhagen Denmark
2. Department of Clinical Medicine Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
3. Department of Obstetrics Center of Fetal Medicine and Ultrasound Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
4. Department of Obstetrics and Gynecology University of CopenhagenHolbæk Hospital Holbæk Denmark
5. Department of Obstetrics and Gynecology Fetal Medicine Unit Copenhagen University Hospital Hvidovre Hvidovre Denmark
6. Department of Obstetrics and Gynecology University of CopenhagenRoskilde Hospital Denmark
7. Department of Obstetrics and Gynecology University of CopenhagenNæstved Hospital Denmark
8. Department of Obstetrics and Gynecology Copenhagen University Hospital Herlev Denmark
9. Department of Public Health Section of Biostatistics University of Copenhagen Copenhagen Denmark
10. Department of Obstetrics and Gynecology Copenhagen University Hospital North Zealand Hillerød Denmark