Affiliation: | 1. Department of Clinical Genetics, University Hospital of Copenhagen, Rigshospitalet, Denmark;2. Department of Fetal Medicine, University Hospital of Copenhagen, Rigshospitalet, Denmark;3. Department of Pediatrics, Region Sjaelland, Nykobing F. Hospital, Denmark;4. Department of Fetal Ultrasound, University Hospital of Copenhagen, Hvidovre Hospital, Denmark |