Affiliation: | 1. Gastroenterology Unit, Ospedale Cervello and University of Palermo, Italy;2. Section of Digestive Diseases, Yale University and CT-VA Healthcare System, Connecticut, USA;1. The UCL Institute of Hepatology, Department of Medicine, Hampstead Campus, Royal Free & University College Medical School, University College London, Rowland Hill Street, London NW3 2PF, UK;2. The Department of Neurophysiology, Royal Free Hospital, Royal Free Hampstead NHS Trust, London NW3 2QG, UK |