1. Department of Periodontology, Haydarpasa Training Hospital, Gulhane Military Medical Academy, Üsküdar, 34618 Istanbul, Turkey
2. Department of Periodontology, School of Dentistry, Cumhuriyet University, 58140 Sivas, Turkey
3. Department of Medical Pathology, Gulhane Military Medical Academy, 34618 Istanbul, Turkey
4. Department of Prosthodontics, School of Dentistry, Selcuk University, 42250 Konya, Turkey
5. Department of Periodontology, School of Dentistry, Kocaeli University, 41380 Izmit, Turkey
6. Department of Periodontology, School of Dentistry, Istanbul University, 34303 Istanbul, Turkey