[1] Med Univ Vienna, Div Gastroenterol & Hepatol, Dept Internal Med 3, Hans Popper Lab Mol Hepatol, Vienna, Austria
[2] Univ Politecn Marche, Osped Riuniti Univ Hosp, Clin Gastroenterol & Hepatol, Ancona, Italy
[3] Med Univ Graz, Div Gastroenterol & Hepatol, Dept Internal Med, Lab Expt & Mol Hepatol, Graz, Austria
[4] Ecole Polytech Fed Lausanne, Lausanne, Switzerland