1. Department of Biochemistry, Faculty of Medicine, Van Yuzuncu Yıl University, Van, Turkey;
2. Department of Biochemistry, Medical Faculty, Ataturk University, Erzurum, Turkey;
3. Department of Pathology, Faculty of Veterinary, Ataturk University, Erzurum, Turkey;
4. Department of Biochemistry, Medical Faculty, Sakarya University, Sakarya, Turkey