1. Department of Gastroenterology, Medical School of National and Kapodistrian University of AthensLaiko General HospitalAthens Greece
2. Department of GastroenterologyUniversity of Ankara Medical SchoolAnkara Turkey
3. Department of Medicine and Research Laboratory of Internal MedicineUniversity of ThessalyLarissa Greece
4. Hospital General Universitario Valle Hebron and CiberehdBarcelona Spain
5. Department of Gastroenterology & Hepatology, Erasmus MCUniversity Medical CenterRotterdam The Netherlands
6. Section of HepatologyUniversity Clinic LeipzigLeipzig Germany
7. Hospital U Puerta de Hierro, IDIPHIM CIBERehdMadrid Spain
8. Department of Hygiene, Epidemiology & Medical StatisticsMedical School of National and Kapodistrian University of AthensAthens Greece
9. 4th Department of Internal MedicineΑristotle University of Thessaloniki Medical SchoolThessaloniki Greece
10. 2nd Department of Internal MedicineMedical School of National and Kapodistrian University of Athens, Hippokratio General Hospital of AthensAthens Greece
11. “A. M. and A. Migliavacca” Center for Liver Disease, Division of Gastroenterology and Hepatology, Fondazione IRCCS Cà Granda Ospedale Maggiore PoliclinicoUniversità degli Studi di MilanoMilan Italy
12. Humanitas Clinical and Research CentreRozzano Italy
13. Liver Clinic, Toronto Western & General HospitalUniversity Health NetworkToronto ON Canada