1. Liver Transplantation and Hepatology Unit; La Fe Hospital; Valencia Spain
2. Gastroenterology Unit; Azienda Ospedaliero-Universitaria; University of Modena and Reggio Emilia; Modena Italy
3. Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas; Valencia Spain
4. Hepatic Surgery and Liver Transplant Unit, and; La Fe University Hospital; Valencia Spain
5. Department of Pathology and Anatomy; La Fe University Hospital; Valencia Spain
6. Faculty of Medicine; University of Valencia; Valencia Spain