1. Department of General Surgery, “Regina Maria” Military Emergency Hospital, 500007 Brașov, Romania
2. Department of General Surgery, Witting Clinical Hospital, 010243 Bucharest, Romania
3. Department of Medical-Clinical Disciplines, Faculty of Medicine, “Titu Maiorescu” University of Bucharest, 031593 Bucharest, Romania
4. Doctoral School in Medicine, “Titu Maiorescu” University, 040441 Bucharest, Romania
5. Department of Radiology and Medical Imaging, “Fundeni” Clinical Institute, 050474 Bucharest, Romania
6. Department of Oncology, “Fundeni” Clinical Institute, 022328 Bucharest, Romania
7. Department of Pathology, “Fundeni” Clinical Institute, 022328 Bucharest, Romania
8. “Dan Setlacec” Center for General Surgery and Liver Transplant, “Fundeni” Clinical Institute, 022328 Bucharest, Romania