1. Department of Obstetrics and GynecologyUniversity of Chieti Chieti Italy
2. Fetal Medicine UnitSt George's University Hospitals NHS Foundation Trust, University of London, London, UK; and Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London London UK
3. Department of Obstetrics and GynecologySpedali Riunit Brescia Italy
4. Department of Obstetrics and GynecologyMount Sinai Hospital and University of Toronto Toronto Canada
5. Division of Maternal and Fetal Medicine, Ospedale Cristo ReUniversity of Rome Tor Vergata Rome Italy
6. Department of Obstetrics and Gynecology, Denver Health and Hospital Authority, Denver, CO, USA; Department of Obstetrics and GynecologyUniversity of Colorado Denver Aurora CO USA
7. Department of Obstetrics and Gynecology‘Spirito Santo’ Hospital Pescara Italy
8. Department of ObstetricsLeiden University Medical Center Leiden The Netherlands
9. Department of Obstetrics and GynecologyUniversity Hospitals of KU Leuven Leuven Belgium
10. Department of Obstetrics and GynecologyFondazione IRCCS, Ca Granda, Ospedale Maggiore Policlinico Milan Italy
11. Department of Pediatrics, Division of NeonatologyLeiden University Medical Center Leiden The Netherlands
12. Center for Maternal, Fetal and Neonatal MedicineFukuoka University Hospital Fukuoka Japan
13. Maternité Port‐Royal, Groupe Hospitalier Cochin‐Broca‐Hôtel‐DieuUniversité Paris Descartes, Assistance Publique‐Hôpitaux de Paris (AP‐HP) Paris France
14. Department of Obstetrics and GynecologyGelre Hospitals Apeldoorn The Netherlands
15. Department of Obstetrics and Gynecology, Department of Medical and Surgical SciencesUniversity of Foggia Foggia Italy
16. School of MedicineColumbia University New York USA
17. Department of Obstetrics and GynecologyCatholic University of The Sacred Heart, Fondazione Policlinico A. Gemelli Rome Italy
18. Department of Clinical Science, Intervention and TechnologyKarolinska Institutet Stockholm Sweden
19. Center for Fetal MedicineKarolinska University Hospital Stockholm Sweden