1. Department of Periodontology, Faculty of Dentistry, Firat University, Elazig, Turkey.
2. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Dicle University, Diyarbakir, Turkey.
3. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Inonu University, Malatya, Turkey.
4. Periodontists, Private Practice, Adana, Turkey.
5. Department of Periodontology, Faculty of Dentistry, Dicle University, Diyarbakir, Turkey.
6. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Afyon Kocatepe University, Afyonkarahisar, Turkey.
7. Department of Medical Pathology, Faculty of Medicine, Firat University, Elazig, Turkey.