1. Department of Maternal, Neonatal and Infant Health, Division of Obstetrics and Gynaecology, ASL Biella, Biella, Italy
2. Department of Obstetrics and Gynaecology, AOUI Verona, University of Verona, Verona, Italy
3. Department of Obstetrics and Gynaecology, “Filippo Del Ponte” Hospital, University of Insubria, Varese, Italy
4. Department of Obstetrics and Gynaecology, Catholic University of the Sacred Heart, Rome, Italy
5. Endoscopica Malzoni-Center for Advanced Endoscopic Gynaecological Surgery, Avellino, Italy