1. Ontario Fetal Centre, Division of Maternal Fetal Medicine, Department of Obstetrics and Gynaecology, Mount Sinai Hospital University of Toronto Toronto ON Canada
2. Fetal Medicine Unit &Prenatal Diagnosis Center Shanghai 1st Maternity and Infant Hospital of Tongji University Shanghai China
3. Department of Gynecology Leiden University Medical Center Leiden The Netherlands
4. Department of Pediatrics Leiden University Medical Center Leiden The Netherlands
5. Department of Obstetrics and Gynecology University Hospitals Leuven Leuven Belgium
6. Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, Tel Hashomer Tel Aviv University Tel Aviv Israel
7. Department of Obstetrics and Gynecology, Inselspital University of Bern Bern Switzerland
8. Department of Woman‐Mother‐Child Lausanne University Hospital Lausanne Switzerland
9. Department of Obstetrics and Gynaecology Erasmus MC University Medical Center Rotterdam The Netherlands
10. Division of Maternal‐Fetal Medicine, Department of Obstetrics and Gynecology, Sunnybrook Health Sciences Centre University of Toronto Toronto ON Canada