[1] Ist Sci Romagnolo Studio & Cura Tumori IRST IRCCS, Dept Med Oncol, Meldola, Italy
[2] AUSL Romagna, DPT Internal Med, Faenza Hosp, Forli, Italy
[3] Univ Bologna, Res Ctr Study Hepatitis, Dept Med & Surg Sci DIMEC, Bologna, Italy
[4] Ist Sci Romagnolo Studio & Cura Tumori IRST IRCCS, Unit Biostat & Clin Trials, Meldola, Italy
[5] IRST IRCCS, Biosci Lab, Meldola, Italy
[6] Univ Bologna, Dept Med & Surg Sci DIMEC, Bologna, Italy
[7] Policlin St Orsola, Ctr Study & Treatment Autoimmune Dis Liver & Bili, Bologna, Italy
[8] Univ Bologna, Dept Med & Surg Sci DIMEC, Alma Mater Studiorum, Bologna, Italy
[9] St Orsola Marcello Malpighi Hosp, Dept Digest Dis, Bologna, Italy
[10] Univ Bologna, Infect Dis Unit, Dept Med & Surg Sci, Hosp S Orsola Malpighi, Bologna, Italy