1. Unit of General Surgery, Department of Medical, Surgical, Neurological, Metabolic and Ageing Sciences, Università degli Studi della Campania “Luigi Vanvitelli”, Piazza Miraglia 2, 80138 Naples, Italy
2. Colorectal Surgery Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
3. Department of Medical and Surgical Sciences, OU of General Surgery, University of Catanzaro, Catanzaro, Italy
4. Department of Colorectal Surgery, Clinic S. Rita, Vercelli, Italy
5. Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council (CNR), Via S. Pansini 5, Naples, Italy
6. Department of Medicine and Health Sciences, University of Molise, Via Francesco de Sanctis 1, 86100 Campobasso, Italy
7. Department of Abdominal Oncology, Division of Abdominal Medical Oncology, Istituto Nazionale per lo Studio e la Cura dei Tumori, “Fondazione G. Pascale, ” IRCCS, Naples, Italy
8. 1st Surgical Clinic, Department of Surgical, Oncological, and Gastroenterological Sciences, University of Padua, Padua, Italy
9. Dipartimento di Sanità Pubblica, Università degli Studi di Napoli Federico II, Naples, Italy
10. Department of Colorectal Surgery, Royal Marsden Hospital, London, UK
11. Department of Internal and Experimental Medicine, Magrassi-Lanzara, Institute of Radiology, Università degli Studi della Campania “Luigi Vanvitelli”, Piazza Miraglia 2, 80138 Naples, Italy
12. Department of Medicine and Health Sciences “V. Tiberio”, University of Molise, Campobasso, Italy
13. Department of Surgery and Cancer, Chelsea and Westminster Hospital Campus, Imperial College London, London, UK