1. Department of Obstetrics and Gynecology; Aarhus University Hospital; Aarhus Denmark
2. Department of Obstetrics and Gynecology; Copenhagen University Hospital Rigshospitalet; Copenhagen Denmark
3. Department of Obstetrics and Gynecology; Copenhagen University Hospital Herlev; Herlev Denmark
4. Department of Obstetrics and Gynecology; Copenhagen University Hospital Hvidovre; Hvidovre Denmark
5. Department of Obstetrics and Gynecology; Odense University Hospital; Odense Denmark
6. Department of Obstetrics and Gynecology; Aalborg University Hospital; Aalborg Denmark
7. Department of Clinical Medicine; Aarhus University; Aarhus Denmark
8. Department of Clinical Pharmacology; Aarhus University Hospital; Aarhus Denmark
9. Center for Fetal Diagnostics; Aarhus University/Aarhus University Hospital; Aarhus Denmark