1. Unit of Gynecology and Obstetrics, Department of Human Pathology in Adulthood and Childhood “G. Barresi”, University of Messina, Via Consolare Valeria 1, 98125 Messina, Italy
2. Department of Obstetrics and Gynecology, “Filippo Del Ponte” Hospital, University of Insubria, Piazza Biroldi 1, 21100 Varese, Italy
3. Department of Woman and Child Health, University of Padua, Via Giustiniani 3, 35128 Padua, Italy
4. Department of Public Health, School of Medicine, University of Naples “Federico II”, Via Pansini 5, 80131 Naples, Italy
5. Department of Human Pathology, Unit of Urology, University of Messina, Via Consolare Valeria 1, 98125 Messina, Italy
6. Unit of Psychodiagnostics and Clinical Psychology, University of Catania, Via Santa Sofia 78, 95124 Catania, Italy
7. Unit of Gynecology and Obstetrics, Desenzano del Garda Hospital, Section of Gavardo, Via A. Gosa 74, Gavardo, 25085 Brescia, Italy