1. Centre for High Risk Pregnancy and Fetal Care, Department of Obstetrics and Gynecology University of Chieti Italy
2. Department of Maternal and Child Health and Urological Sciences “Sapienza” University of Rome Rome Italy
3. Division of Maternal and Fetal Medicine, Ospedale Cristo Re University of Rome Tor Vergata Rome Italy
4. Department of Obstetrics and Gynecology The First I.M. Sechenov Moscow State Medical University Moscow Russia
5. Department of Clinical and Community Sciences University of Milan, and Department of Woman Child and Neonate, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico Milan Italy
6. Department of Obstetrics and Gynecology, Department of Medical and Surgical Sciences University of Foggia Foggia Italy
7. Department of Medical Sciences University of Ferrara Ferrara Italy
8. Hôpital Necker‐Enfants Malades, Assistance Publique‐Hôpitaux de Paris Université Paris Descartes and Fetus & LUMIERE team Paris France
9. Department of Obstetrics and Gynecology Catholic University of the Sacred Heart Fondazione Policlinico A. Gemelli Rome Italy