1 Alcohol Use Disorders Unit, Department of Internal Medicine, Gastroenterology and Hepatology, Catholic University of Rome, Rome, Italy.2 Liver Center, Division of Gastroenterology and Hepatology, Departments of Medicine and Nutrition, University of North Carolina, Chapel Hill, NC.3 Multivisceral Transplant Unit, Gastroenterology Department of Surgery, Oncology and Gastroenterology, Padova University Hospital, Padova, Italy.4 Starzl Transplant Institute, University of Pittsburgh Medical Center, Pittsburgh, PA.5 Department of Internal Medicine II, Medical University of Innsbruck & Academic Teaching Hospital Hall, Innsbruck, Austria.6 Department of Internal Medicine, Academic Teaching Hospital Hall, Austria.7 Division of Gastroenterology and Hepatology, Department of Medicine, University of Wisconsin School of Medicine and Public Health, WI.8 Service des Maladies de l'Appareil Digestif, Hôpital Huriez, Lille, France.9 Liver Unit, King's College Hospital, London, United Kingdom.10 Département d'Hépatogastroenterologie et Transplantation, CHU Saint Eloi, Université de Montpellier, Montpellier, France.11 Liver Transplantation and Hepatology Unit, La Fe University Hospital, Ciberehd and Valencia University, Valencia, Spain.12 Ciberehd, University of Valencia, Valencia, Spain.