1. DEFACTUM - Public Health & Health Services Research; Central Denmark Region; Aarhus Denmark
2. Centre for Prenatal Diagnostics; Aarhus University Hospital; Aarhus Denmark
3. Department of Obstetrics and Gynecology; Aarhus University Hospital; Aarhus Denmark
4. Department of Clinical Genetics; Aarhus University Hospital; Aarhus Denmark
5. Department of Public Health; Aarhus University; Aarhus Denmark