[1] Cattedra & UOC Gastroenterol & Epatol, Palermo, Italy
[2] Univ Politecn Marche, Clin Gastroenterol & Hepatol, Ancona, Italy
[3] Italian Med Agcy, Rome, Italy
[4] Fdn IRCCS Ca Granda Osped Maggiore Policlin Milan, UO Gastroenterol & Epatol, Milan, Italy
[5] Univ Padua, Dept Mol Med, Padua, Italy
[6] Osped Fatebenefratelli Napoli, Ctr Malattie Fegato, Naples, Italy
[7] Natl Inst Infect Dis Lazzaro Spallanzani IRCCS, Rome, Italy
[8] Univ Pavia, Fdn IRCCS Policlin San Matteo Pavia Italia, Dipartimento Malattie Infett, Pavia, Italy
[9] Humanitas Univ, Milan, Italy
[10] Humanitas Res Hosp Rozzano, Milan, Italy
[11] AO Osped Colli Napoli, UOC Infez Sistem & Immunodepresso, Naples, Italy
[12] Univ Naples 2, Infect Dis & Viral Hepatitis, Naples, Italy
[13] Univ Genoa, Dept Internal Med, Gastroenterol Unit, Genoa, Italy
[14] Sapienza Univ Rome, Gastroenterol Dept Clin Med, Rome, Italy
[15] AORN St Anna & San Sebastiano, Infect Dis Unit, Caserta, Italy
[16] Univ Roma Tor Vergata, Dept Expt Med & Surg, Rome, Italy
[17] AO Niguarda Ca Granda Milano, Dept Infect Dis, Milan, Italy
[18] Univ Hosp Messina, Dept Clin & Expt Med, Div Clin & Mol Hepatol, Messina, Italy
[19] Univ Hosp Policlin Bari, Gastroenterol & Digest Endoscopy, Bari, Italy
[20] Univ Modena & Reggio Emilia, Policlin Modena, Azienda Osped Univ, Div Gastroenterol, Via Pozzo 71, I-41124 Modena, Italy
[21] Univ Florence, Dept Expt & Clin Med, Interdept Ctr MASVE, Florence, Italy