1. Department of Maternal and Child Health and Urological Sciences , Sapienza University of Rome , Rome , Italy
2. Perinatal Medicine Center, Memorial BAH Hospital and mPerinatal Medicine Foundation , Istanbul , Turkey
3. Department of Neuroscience , Reproductive Sciences and Dentistry, School of Medicine, University of Naples Federico II , Naples , Italy
4. Department of Obstetrics and Gynaecology , Fetal Medicine Unit, Maternal and Child Health and Development Network, University Hospital 12 de Octubre, Complutense University of Madrid , Madrid , Spain
5. Department of Obstetrics and Gynaecology , Lenox Hill Hospital, Zucker School of Medicine at Hofstra/Northwell , Hempstead , NY , USA
6. Department of Perinatology and Gynaecology , National Cerebral and Cardiovascular Center , Osaka , Japan
7. Department of Obstetrics and Gynaecology , Medical School University of Zagreb, Sveti Duh University Hospital , Zagreb , Croatia