1 Service de Chirurgie Hépato-Biliaire et Transplantation Hépatique, Hôpital de Hautepierre, Strasbourg, France. Electronic address: thierry.artzner@gmail.com.
2 Hepatology and Gastroenterology Unit, ASST GOM Niguarda, Milan, Italy.
3 Service de Chirurgie Hépato-Biliaire et Transplantation Hépatique, Hôpital de Hautepierre, Strasbourg, France.
4 Liver Failure Group, Institute for Liver and Digestive Health, University College London, Royal Free Campus, London, United Kingdom; European Foundation for the Study of Chronic Liver Failure (EF Clif), Spain.