1. Department of General Surgery, Emergency Hospital of Constanța, 900591 Constanța, Romania
2. Faculty of Medicine and Pharmacy Constanta, Ovidius University, 900470 Constanța, Romania
3. Department of Pathology, Emergency Hospital of Constanța, 900591 Constanța, Romania
4. Dan Setlacec Center of General Surgery and Liver Transplantation, Fundeni Clinical Institute, 022328 Bucharest, Romania