1. General Surgery Department, Afyon Kocatepe University, Afyon, Turkey.
2. Department of Pathology, Afyon Kocatepe University, Afyon, Turkey.
3. Vakif Gureba Hospital, Istanbul, Turkey.
4. Eskisehir Devlet Hastanesi, Eskisehir, Turkey.
5. Biochemistry Laboratory, The Faculty of Medicine, Afyon Kocatepe University, Afyon, Turkey.