Departments of General Surgery and Pathology, Taksim Training and Research Hospital, İstanbul
2.Department of General Surgery, İstanbul Memorial Hospital, İstanbul
3.Department of General Surgery, Namık Kemal University School of Medicine, Tekirdağ
4.Department of Biochemistry, Marmara University School of Medicine, İstanbul
5.Department of Pathology, Taksim's Education and Research Hospital, İstanbul, Turkey