1. Department of Obstetrics and GynaecologyArnas Civico Hospital Palermo Italy
2. Department of Obstetrics and GynaecologyAzienda Ospedaliera Villa Sofia Cervello Palermo Italy
3. Centre for Fetal Care, Queen Charlotte's and Chelsea HospitalImperial College Healthcare NHS Trust London UK
4. Department of Surgery and CancerImperial College London, London UK
5. Department of Development and RegenerationKU Leuven, Leuven Belgium
6. Department of Obstetrics and Gynaecology, Division of Maternal‐Fetal MedicineNew York University School of Medicine New York NY USA
7. Centre for Medical Education and Clinical Research (CEMIC)University Hospital Buenos Aires Argentina
8. Department of Medicine and Surgery, Obstetrics and Gynecology UnitUniversity of Parma, Parma Italy
9. Fetal Medicine Unit, Division of Developmental SciencesSt George's University of London London UK
10. Local Health Unit of Pescara Pescara Italy
11. Department of Medical SciencesUniversity of Ferrara, Ferrara Italy
12. Department of Obstetrics and GynecologyCatholic University of The Sacred Heart, Rome Italy
13. Department of Clinical Medicine, Faculty of Health SciencesUiT – The Arctic University of Norway Tromsø Norway
14. Department of Obstetrics and GynaecologyUniversity Hospital of Northern Norway Tromsø Norway