1. Institute of Liver Studies, King’s College London School of Medicine at King’s College Hospital, Denmark Hill Campus, London SE5 9RS, UK
2. 4th Department of Internal Medicine, Medical School of Aristotle University, Hippocration General Hospital of Thessaloniki, 49 Konstantinopoleos Street, Thessaloniki 54642, Greece
3. Department of Medicine and Research Laboratory of Internal Medicine, University of Thessaly Medical School, Thessaly, Mezourlo, Larissa 41222, Greece