1. Research Unit, Women's and Children's Health; Rigshospitalet Copenhagen University Hospital; Copenhagen Denmark
2. Department of Obstetrics; Rigshospitalet Copenhagen University Hospital; Copenhagen Denmark
3. Department of Clinical Medicine; Faculty of Health and Medical Sciences; University of Copenhagen; Copenhagen Denmark
4. Department of Fetal Medicine and Ultrasound; Rigshospitalet Copenhagen University Hospital; Copenhagen Denmark
5. Child, Family, and Reproductive Health; Departments of Health Sciences; Faculty of Medicine; Lund University; Lund Sweden