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