1. Division of Colon and Rectal Surgery; Humanitas Clinical and Research Center; Rozzano Milan Italy
2. Department of Biomedical Science; Humanitas University; Rozzano Milan Italy
3. Biomedical and Experimental Sciences Department; ‘G D'Annunzio’ University; Chieti Italy
4. Division of General and Digestive Surgery; Humanitas Clinical and Research Center; Rozzano Milan Italy
5. Colorectal Surgery, Department of General Surgery; Ospedale per gli Infermi, AUSL Romagna; Faenza Ravenna Italy