1. Department of Periodontology, Gülhane Military Medical Academy, Ankara, Turkey.
2. Faculty of Dentistry, Department of Periodontology, Ege University, İzmir, Turkey.
3. Department of Hematology, Gülhane Military Medical Academy, Ankara, Turkey.
4. Department of Biochemistry, Gülhane Military Medical Academy, Ankara, Turkey.
5. Faculty of Dentistry, Department of Periodontology, Hacettepe University, Ankara, Turkey.