1. Department of Biomedical Sciences, Humanitas University, Via Manzoni 113 20089, Rozzano, Milan, Italy
2. Division of Colon and Rectal Surgery, Humanitas Clinical and Research Hospital, Via Manzoni 56 20089, Rozzano, Milan, Italy
3. Department of Advanced Medical and Surgical Sciences, Università degli Studi della Campania ‘Luigi Vanvitelli’, Naples, Italy
4. Colorectal Unit, Vall d'Hebron University Hospital, Barcelona, Spain