1. Department of Neuroscience, Reproductive Sciences and Dentistry, School of MedicineUniversity of Naples Federico II Naples Italy
2. Division of Maternal‐Fetal Medicine, Department of Obstetrics and GynecologySidney Kimmel Medical College of Thomas Jefferson University Philadelphia PA USA
3. Department of Obstetrics and GynecologyUniversity of Parma Parma Italy
4. Fetal therapy Unit ‘U Nicolini'Buzzi Children's Hospital University of Milan Milan Italy
5. Department of Obstetrics and GynecologyUniversity of Brescia Brescia Italy
6. University of Roma Tor VergataDivision of Maternal Fetal Medicine Ospedale Cristo Re Roma, Rome Italy
7. Department of Obstetrics and Gynecology2nd University of Turin AO Town of Health and Science, Turin Italy
8. Department of Medical Surgical Sciences, Division of Obstetrics and Prenatal MedicineSt Orsola Malpighi Hospital, University of Bologna Bologna Italy
9. Department of Health ScienceDivision of Pediatrics, Obstetrics and Gynecology Careggi Hospital University of Florence Florence Italy
10. Johns Hopkins Center for Fetal Therapy, Department of Gynecology & ObstetricsJohns Hopkins University School of Medicine Baltimore MD USA
11. Department of Woman's and Child's HealthUniversity of Padua Padua Italy
12. Department of Experimental Clinical and Medical Science, DISM, Clinic of Obstetrics and GynecologyUniversity of Udine Udine Italy
13. Department of Gynecological, Obstetrical and Urological SciencesSapienza University of Rome Rome Italy
14. Department of Obstetrics and GynecologyCatholic University of Sacred Heart Rome Italy
15. Department of Obstetrics and GynecologyUniversity Hospital of Northern Norway Tromsø Norway
16. Department of Obstetrics and GynecologyUniversity of Chieti Chieti Italy
17. Division of Maternal‐Fetal Medicine, Department of Obstetrics and GynecologyUniversity of Massachusetts‐Baystate Springfield MA USA
18. Division of Maternal‐Fetal Medicine, Department of Obstetrics and GynecologyBaylor College of Medicine Houston TX USA
19. Department of Obstetrics and GynecologyHospital General Universitario de Ciudad Real Ciudad Real Spain
20. Department of Obstetrics and Gynecology Treviso Italy
21. Department of Obstetrics and GynecologySanta Maria di Ca' Foncello Hospital Treviso Italy
22. Department of Obstetrics and GynecologyHospital Universitario Central de Asturias (HUCA) Oviedo Spain
23. Department of Obstetrics and GynecologyHospital General Universitario Gregorio Maranon Madrid Spain
24. University College of London (UCLH) London United Kingdom
25. School of MedicineUniversity of Salerno Salerno Italy
26. Department of Obstetrics and Gynaecology, School of MedicineMagna Graecia University of Catanzaro Catanzaro Italy
27. University of Ferrara Ferrara Italy