1. 1Department of Clinical Medicine and Surgery, University of Naples “Federico II”, Naples, Italy . Via Sergio Pansini, 80131 Naples, Italy
2. 2Department of Clinical Medicine and Surgery, University of Naples Federico II, Italy
3. 3Unit of Surgery, A. Cardarelli Hospital, Campo-basso, Italy
4. 4Unit of Hepatobiliary Surgery and Liver Transplant Center, Department of Gastroenterology and Transplantation, ”A. Cardarelli” Hospital, Naples, Italy
5. 5Department of Medicine and Health Sciences “Vincenzo Tiberio”, University of Molise, Campobasso, Italy
6. 6Department of Translational Medical Sciences, University of Naples “Federico II”, Naples, Italy
7. 7Santa Maria delle Grazie Hospital, Pathology Unit, Pozzuoli, Naples, Italy
8. 8Department of Sport Sciences and Wellness, University of Naples “Parthenope”, Naples, Italy