1. Department of Diagnostic Imaging, Oncologic Radiotherapy and Hematology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS , Roma 00168, Italy
2. Gastroenterology Unit, Division of Gastroenterology, Hepatology, and Nutrition, Department of Life, Health and Environmental Sciences, University of L’Aquila , L’Aquila 67100, Italy
3. Division of Gastroenterology, Galliera Hospital , Genoa 16128, Italy
4. Radiation Oncology Unit, Responsible Research Hospital , Campobasso 86100, Italy
5. Hospital Health Management Area, Local Health Authority “Roma 1” , Roma 00193, Italy
6. Doctoral school in nursing sciences and Public Health, University of Rome “Tor Vergata” , Roma 00133, Italy
7. Facoltà di Medicina e Chirurgia, Università Cattolica del Sacro Cuore , Roma 00168, Italy