1 Department of General Surgery, San Bonifacio Hospital, ULSS 9 Scaligera, Verona, Italy

2 Proctological and Perineal Surgical Unit, Cisanello University Hospital, Via Paradisa, Pisa, Italy

Funding/Support: None reported.

Financial Disclosure: None reported.

Correspondence: Daniele Zigiotto, M.D., Department of General Surgery, Fracastoro Hospital, Via Circonvallazione, 1, San Bonifacio, Italy. E-mail: [email protected]