1 Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, Padova, Italy.
2 Department of Surgical Sciences, University of Cagliari, Cagliari, Italy.
3 Department of Surgical Oncology, National Cancer Research Centre, Istituto Tumori Giovanni Paolo II, Bari, Italy.
4 Department of Medical, Surgical and Neuroscience, University of Siena, Siena, Italy.
5 General Surgery Unit, General Surgery Department, Fondazione Policlinico Universitario Agostino Gemelli, Catholic University, Rome, Italy.
6 Colorectal Surgical Oncology, Abdominal Oncology Department, Istituto Nazionale per lo Studio e la Cura dei Tumori Fondazione Giovanni Pascale IRCCS, Naples, Italy.
7 Department of Digestive Surgery, Regina Elena National Cancer Institute, IRCCS-IFO, Rome, Italy.
8 Division of General and Transplant Surgery, University of Pisa, Pisa, Italy.
9 Department of Surgery, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy.
10 Department of Biomedical Science, Humanitas University, Milan, Italy.