1. Department of Medicine, Copenhagen University Hospital Gentofte, Hellerup, Denmark
2. Department of Medicine V (Hepatology and Gastroenterology), Aarhus University Hospital, Aarhus, Denmark
3. Servei de Medicina Interna-Hepatologia, Hospital Vall d'Hebron, Barcelona, Spain
4. Department of Internal Medicine, Alma Mater Studiorum, University of Bologna, Bologna, Italy