1 Department of Medicine, Center for Translational Research in Hepatology, Clinical and Research Center Humanitas Hospital, Rozzano, Italy; EASL International Liver Foundation, Geneva, Switzerland. Electronic address: mcolombo46@yahoo.it.
2 Department of Transplantation Medicine and Institute of Clinical Medicine, Oslo University Hospital Rikshospitalet and University of Oslo, Oslo, Norway; The European Association for the Study of the Liver, Geneva, Switzerland.