1. Department of Periodontology, Faculty of Dentistry, Akdeniz University, Antalya, Turkey;
2. Department of Periodontology, Faculty of Dentistry, Atatürk University, Erzurum, Turkey;
3. Department of Periodontology, Faculty of Dentistry, Sağlık Bilimleri University, İstanbul, Turkey;
4. Department of Biochemistry, Faculty of Pharmacy, Atatürk University, Erzurum, Turkey;
5. Department of Medical Laboratory Techniques, Health Services Vocational Training School, Atatürk University, Erzurum, Turkey