1. Department of Periodontology, Faculty of Dentistry, Bulent Ecevit University
2. Department of Periodontology, Faculty of Dentistry, Yıldırım Beyazıt University
3. Department of Periodontology, Faculty of Dentistry, Ordu University
4. Department of Medical Biochemistry, Gulhane Military Medical Academy
5. Department of Periodontology, Faculty of Dentistry, Ondokuzmayis University