1. Department of Obstetrics and Fetal Medicine; Hopital Necker-Enfants Malades, Assistance Publique-Hopitaux de Paris, Paris Descartes University; Paris France
2. Department of Women's and Children's Health; University of Liverpool; Liverpool UK
3. Department of Gynecology and Obstetrics; Ribeirao Preto Medical School, University of Sao Paulo; Ribeirao Preto, Sao Paulo Brazil
4. Department of Obstetrics and Gynaecology; Monash University; Melbourne Australia
5. Department of Obstetrics and Gynecology; Baylor College of Medicine; Houston Texas USA
6. Hospital Clinic; Obstetrics and Gynecology; Barcelona Spain
7. Obstetrics and Gynecology Unit; University of Parma; Parma Italy
8. Department of Radiology; University of Toronto; Toronto Ontario Canada
9. Fetal Medicine Unit; St George's University Hospitals NHS Foundation Trust; London UK
10. Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute; St George's University of London; London UK
11. Department of Obstetrics and Gynecology; Baylor College of Medicine and Texas Children's Pavilion for Women; Houston TX USA
12. Nuffield Department of Obstetrics & Gynaecology and Oxford Maternal & Perinatal Health Institute; Green Templeton College, University of Oxford; Oxford UK
13. Nuffield Department of Obstetrics and Gynecology; University of Oxford, Women's Center, John Radcliffe Hospital; Oxford UK
14. Second Department of Obstetrics and Gynecology, Faculty of Medicine; Aristotle University of Thessaloniki; Thessaloniki Greece
15. Obstetrics; University Paris Descartes, Hôpital Necker Enfants Malades; Paris France
16. Medical Imaging; Mount Sinai Hospital; Toronto ON Canada
17. Department of Maternal Fetal Medicine, Obstetric Ultrasound and Prenatal Diagnostic Unit; KK Women's and Children's Hospital; Singapore