1. Department of General Surgery, Faculty of Medicine, Ataturk University, Erzurum, Turkey
2. Department of Pharmacology, Faculty of Medicine, Ataturk University, Erzurum, Turkey
3. Department of Pharmacology, Faculty of Pharmacy, Ataturk University, Erzurum, Turkey
4. Department of Infectious Diseases and Clinical Microbiology, Gulhane Military Medical School, Haydarpasa Training Hospital Istanbul, Turkey
5. Department of Biochemistry, Regional Education and Research Hospital, Erzurum, Turkey
6. Department of Histology and Emriology, Faculty of Medicine, Ataturk University, Erzurum, Turkey
7. Department of Microbiology, Faculty of Medicine, Ataturk University, Erzurum, Turkey