1. Department of Neuroscience, Reproductive Sciences and Dentistry, School of Medicine, University of Naples Federico II, Napoli, Italy
2. Department of Educational Sciences, University of Catania, Catania, Italy
3. First Department of Obstetrics and Gynecology, Center of Postgraduate Medical Education, Warsaw, Poland;
4. Department of Public Health, School of Medicine, University of Naples Federico II, Napoli, Italy
5. Obstetrics and Gynecology Unit, Department of General Surgery and Medical Surgical Specialties, University of Catania, Catania, Italy