1. Center for Fetal Diagnostics; Aarhus University Hospital; Aarhus Denmark
2. DEFACTUM - Public Health & Health Services Research; Central Denmark Region; Aarhus Denmark
3. Fetal Medicine Unit; Department of Obstetrics and Gynecology; Aarhus University Hospital; Aarhus Denmark
4. Fetal Medicine Unit; Department of Obstetrics and Gynecology; Copenhagen University Hospital Hvidovre; Copenhagen Denmark
5. Department of Clinical Genetics; Aarhus University Hospital; Aarhus Denmark
6. Department of Clinical Genetics; Copenhagen University Hospital Rigshospitalet; Copenhagen Denmark