[1] Univ Turin, Dept Med Sci, Div Gastroenterol & Hepatol, Turin, Italy
[2] Univ Hosp La Princesa, Dept Internal Med, Madrid, Spain
[3] Univ Palermo, Sez Gastroenterol, Di Bi MIS, Palermo, Italy
[4] Univ Cattolica S Cuore, Fdn Policlin Univ A Gemelli IRCCS, Area Gastroenterol & Oncol Med, Rome, Italy
[5] Univ Milan, Policlin Hosp, Ca Granda IRCCS Fdn, Metab Liver Dis Res Ctr,Dept Pathophysiol & Trans, Milan, Italy
[6] Univ Milan, Policlin Hosp, Dept Transfus Med & Hematol, Translat Med & Hepatol, Milan, Italy
[7] Newcastle Univ, Inst Cellular Med, Newcastle Upon Tyne, Tyne & Wear, England