1. Academic Unit of Obstetrics and Gynecology, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
2. Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DiNOGMI), University of Genoa, Italy, Genoa;
3. Department of Educational Sciences, University of Catania, Catania, Italy
4. Obstetrics and Gynecology Unit, Department of General Surgery and Medical Surgical Specialties, University of Catania, Catania, Italy
5. Division of Obstetrics and Gynecology, Gaslini Institute, Genoa, Italy
6. Piazza della Vittoria 14 Srl, Piazza della Vittoria 14/26, Genoa, Italy