1. Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology University of Florida College of Medicine Gainesville, FL USA
2. Fetal Medicine Unit Medway NHS Foundation Trust Gillingham UK
3. Institute of Medical Sciences, Canterbury Christ Church University Kent UK
4. Second Department of Obstetrics and Gynecology, Faculty of Medicine Aristotle University of Thessaloniki Thessaloniki Greece
5. Obstétrique et Plateforme LUMIERE, Hôpital Necker‐Enfants Malades (AP‐HP) et Université de Paris Paris France
6. Department of Gynecology and Obstetrics, Ribeirão Preto Medical School University of São Paulo Ribeirão Preto, São Paulo Brazil
7. Department of Obstetrics and Gynaecology Monash University Meulbourne Australia
8. Department of Ultrasound, Beijing Obstetrics and Gynecology Hospital Capital Medical University Beijing P.R. China
9. Obstetrics and Gynecology Unit University of Parma Parma Italy
10. Department of Obstetrics Gynaecology and Fetal Medicine AmsterdamUmc, Location VUmc, Amsterdam The Netherlands
11. Department of Clinical and Experimental Sciences University of Brescia Italy
12. Department of Obstetrics and Gynaecology The Chinese University of Hong Kong Hong Kong SAR