[1] Univ Palermo, Dipartimento Biomed Med & Interne Specialist Di B, Sez Gastroenterol & Epatol, Palermo, Italy
[2] Univ Palermo, Palermo, Italy
[3] Univ Palermo, Sect Gastroenterol & Hepatol, Dipartimento Promoz Salute Materno Infantile Med, Palermo, Italy
[4] Univ Barcelona, Hosp Clin, Barcelona Clin Liver Canc BCLC Grp, Liver Unit,Idibaps,Ciberehd, Barcelona, Spain
[5] Univ Palermo, Dibimis, Gastroenterolgy & Liver Unit, Palermo, Italy