1. Hepatobiliary Surgery and Liver Transplantation Unit; University of Pisa; Pisa Italy
2. Department of Translational Research and New Technologies in Medicine and Surgery; University of Pisa; Pisa Italy
3. Department of Pathology; University of Pisa; Pisa Italy
4. Department of Anesthesia, Medical School Hospital; University of Pisa; Pisa Italy
5. Department of Endocrinology and Metabolism in Organ Transplantation Unit; University of Pisa; Pisa Italy
6. Department of Statistics; University of Pisa; Pisa Italy