title: Challenges in Liver Transplantation.
authors.affiliation: Department of Gastroenterology and Hepatology, Faculty of Medicine, University Hospital Essen, University of Duisburg-Essen, Essen, Germany.
authors.forename: Guido
authors.initials: G
authors.lastname: Gerken
authors.affiliation: Department of General, Visceral and Transplantation Surgery, Faculty of Medicine, University Hospital Essen, University of Duisburg-Essen, Essen, Germany.
authors.forename: Andreas
authors.initials: A
authors.lastname: Paul