1. Obstetrics and Gynecology Unit, Department of General Surgery and Medical Surgical Specialties, University of Catania, Catania, Italy
2. Department of Obstetrics, Gynecology and Reproductive Sciences, University of Miami, Miller School of Medicine, Miami, FL, USA
3. Second Department of Obstetrics and Gynaecology, Centre of Postgraduate Medical Education, Warsaw, Poland
4. Academic Unit of Obstetrics and Gynecology, IRCCS AOU San Martino - IST, Genoa, Italy
5. Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (Dinogmi), University of Genoa, Genoa, Italy