1. Health Services Vocational School, Igdır University, Igdır, Turkey;
2. Department of Biochemistry, Medical Faculty, Yuzuncu Yıl University, Van Turkey;
3. Department of Chemistry, Faculty of Sciences, Atatürk University, Erzurum, Turkey;
4. Department of Bioistatistics, Medical Faculty, Yuzuncu Yıl University, Van, Turkey