1. Medical Oncology Unit, Fondazione IRCCS Policlinico San Matteo, Viale Camillo Golgi 19, Pavia, 27100, Italy
2. Microbiology & Virology Department, Fondazione IRCCS Policlinico San Matteo, Viale Camillo Golgi 19, Pavia, 27100, Italy
3. Division of Infectious Diseases I, Fondazione IRCCS Policlinico San Matteo, Viale Camillo Golgi 19, Pavia, 27100, Italy
4. Department of Clinical Surgical Diagnostic & Pediatric Sciences, University of Pavia, Viale Camillo Golgi 19, Pavia, 27100, Italy
5. Department of Internal Medicine & Medical Therapy, University of Pavia, Viale Camillo Golgi 19, Pavia, 27100, Italy