1. Department of Medicine (DIMED), Surgical Pathology Unit, University of Padua, Padua, Italy
2. Gastroenterology Unit, Istituto Oncologico Veneto, IOV-IRCCS, Padua, Italy
3. Department of Medicine (DIMED), 5th Medical Clinic, University of Padua, Padua, Italy
4. Department of Surgical, Oncological and Gastroenterological Sciences (DiSCOG), 3rd Surgical Clinic, University of Padua, Padua, Italy
5. Esophageal and Digestive Tract Surgical Unit, Veneto Institute of Oncology, IOV-IRCCS, Padua, Italy
6. Imperial College London, Department of Surgery and Cancer, Division of Surgery, London, UK
7. Melanoma & Esophageal Oncology Unit, Istituto Oncologico Veneto, IOV-IRCCS, Padua, Italy
8. Veneto Tumour Registry, Veneto Region, Padua, Italy