[1] Univ Bologna, Alma Mater Studiorum, Dept Med & Surg Sci, Bologna, Italy
[2] S Orsola Malpighi Univ Hosp, Infect Dis Unit, Bologna, Italy
[3] S Orsola Malpighi Univ Hosp, Ctr Appl Biomed Res CRBA, Bologna, Italy
[4] S Orsola Malpighi Univ Hosp, Gastroenterol Unit, Bologna, Italy
[5] S Orsola Malpighi Univ Hosp, End Stage Liver Dis Unit, Bologna, Italy
[6] Mental Hlth DSM DP, Epidemiol Monitoring Ctr Addict, Local Heath Unit, Bologna, Italy
[7] AUSL Romagna, Infermi Hosp Rimini, Internal Med, Rimini, Italy