1. Department of Gynecology Obstetrics and Neonatology (DiGON), I Operative Unit of Obstetrics and Gynecology; University of Bari; Bari; Italy
2. Department of Internal Medicine and Public Health (DiMIMP), Section of Diagnostic Imaging; University of Bari; Bari; Italy
3. Endoscopic Training Centre Antwerpen; ZNA Stuivenberg; Antwerpen; Belgium