1. Unit of Gynecology and Obstetrics, Department of Human Pathology in Adulthood and Childhood “G. Barresi”, University of Messina, Messina, Italy
2. Department of General Surgery and Medical Surgical Specialties, University of Catania, Catania, Italy
3. Department of Obstetrics and Gynecology, University of Naples “Federico II”, Naples, Italy
4. Department of Maternal and Child Health, Gavardo Hospital, Brescia, Italy
5. Unit of Psychodiagnostics and Clinical Psychology, University of Catania, Catania, Italy
6. Department of Woman and Child Health, University of Padua, Padua, Italy