[1] National Institute of Geriatrics,Department of Radiology
[2] Rheumatology and Rehabilitation,4th Division of General Surgery
[3] Regional Hospital Treviso,Department of Proctology
[4] Tertiary Referral Pelvic Floor Center,Department of Surgical Sciences, Oncology and Gastroenterology
[5] St. Elizabeth Hospital,DISCOG
[6] University of Padua,2nd Division of General Surgery
[7] Treviso Regional Hospital,undefined
[8] Tertiary Referral Pelvic Floor Center,undefined