1. Department of Perinatology, Zeynep Kamil Education and Research Hospital, İstanbul, Turkey
2. Department of Woman, Child and General and Specialized Surgery, University of Campania "Luigi Vanvitelli", Naples, Italy
3. Department of Obstetrics and Gynecology, New York Health and Hospitals/Lincoln, Bronx, NY, USA
4. Department of Women's and Reproductive Health, University of Oxford, Oxford, UK
5. Department of General Surgery and Medical Surgical Specialties, Obstetrics and Gynecology Unit, University of Catania, Catania, Italy