Vicente Arroyo1, Richard Moreau1, Rajiv Jalan1. 1. From the European Foundation for the Study of Chronic Liver Failure (EF Clif) and the European Association for the Study of the Liver-Chronic Liver Failure (EASL-CLIF) Consortium - both in Barcelona (V.A., R.M., R.J.); INSERM, Université de Paris, Centre de Recherche sur l'Inflammation, and Service d'Hépatologie, Hôpital Beaujon, Assistance Publique-Hôpitaux de Paris, Clichy - both in France (R.M.); and the Liver Failure Group, Institute for Liver Disease Health, University College London, Royal Free Hospital, London (R.J.).