1. Metabolic Unit, Department of Endocrinology and Metabolism, University of Pisa and Pisa University Hospital, Pisa, Italy
2. Section of Transplantation Pathology, Division of Surgical, Molecular and Ultrastructural Pathology, Department of Oncology, University of Pisa and Pisa University Hospital, Pisa, Italy
3. Referral Center for the Treatment of Pancreas Diseases, Department of Oncology, University of Pisa and Pisa University Hospital, Pisa, Italy
4. Liver Transplant Unit, University of Pisa and Pisa University Hospital, Pisa, Italy