1. Department of Cardiac, Thoracic, and Vascular Sciences and Public Health University of Padua Padua Italy
2. Department of Surgery Oncology and Gastroenterology, University of Padua Padua Italy
3. Medical Oncology 2 Veneto Institute of Oncology IOV‐IRCCS Padua Italy
4. Surgical Oncology Unit Veneto Institute of Oncology IOV‐IRCCS Padua Italy
5. Statistics Department University of Padua Padua Italy
6. Rete Oncologica Veneta (ROV) Veneto Institute of Oncology IOV‐IRCCS Padua Italy