1. Department of Surgery Sapienza University Rome Italy
2. Department of Digestive and Visceral Surgery University Hospital of Strasbourg Strasbourg France
3. IRCAD (Research Institute against Digestive Cancer) Strasbourg France
4. IHU (Institut Hospitalo‐Universitaire/University Hospital Institute) Strasbourg France
5. Colorectal Unit of the Department of Digestive Surgery Parc Tauli University Hospital Sabadell Barcelona Spain