[1] Univ Athens, Gen Hosp Athens Laiko, Sch Med, Dept Gastroenterol, Athens, Greece
[2] Thessalia Univ, Sch Med, Dept Internal Med, Volos, Greece
[3] Thessalia Univ, Sch Med, Res Lab, Volos, Greece
[4] Ankara Univ, Sch Med, Dept Gastroenterol, Ankara, Turkey
[5] Univ Athens, Sch Med, Dept Hyg Epidemiol & Med Stat, Athens, Greece
[6] Univ Clin Leipzig, Clin Gastroenterol & Rheumatol, Sect Hepatol, Leipzig, Germany
[7] Hosp Gen Univ Valle Hebron, Barcelona, Spain
[8] Ciberehd, Barcelona, Spain
[9] Univ Autonoma Madrid, Hosp Univ Puerta De Hierro Majadahonda, Liver Unit, Madrid, Spain
[10] Aristotle Univ Thessaloniki, Sch Med, Hippocrat Univ Hosp, Dept Internal Med 4, Thessaloniki, Greece
[11] Univ Athens, Gen Hosp Athens Hippokratio, Sch Med, Dept Internal Med 2, Athens, Greece
[12] Univ Milan, Fdn Irccs Ca Granda Osped Maggiore Policlin, Div Gastroenterol & Hepatol, CRC AM&A Migliavacca Ctr Liver Dis, Milan, Italy
[13] Hosp Univ Puerta De Hierro, Idiphim, Ciberehd, Madrid, Spain
[14] Univ Hlth Network, Toronto Western & Gen Hosp, Liver Clin, Toronto, ON, Canada
[15] Erasmus MC, Dept Gastroenterol & Hepatol, Rotterdam, Netherlands
[16] Univ Hlth Network, Toronto Ctr Liver Dis, Toronto, ON, Canada
[17] Univ Hosp Leipzig, Sect Hepatol, Dept Gastroenterol & Rheumatol, Leipzig, Germany