1. Medical Oncology 2, Istituto Oncologico Veneto IRCCS, via Gattamelata 64, Padova, 35121, Italy
2. Department of Medical Oncology, AULSS 3 Serenissima, Mirano Hospital, Mirano, (VE), Italy
3. Independent statistician, Solagna (VI), Italy
4. Department of Surgery, Oncology and Gastroenterology, University of Padova, Padova, Italy
5. Medical Oncology 2, Istituto Oncologico Veneto IRCCS, Padova, Italy
6. Radiology department, Istituto Oncologico Veneto IRCCS, Padova, Italy
7. Department of Surgery, Ospedale Sant’Antonio, Padova, Italy
8. Laboratory of Methodology for Clinical Research, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milano, Italy