1. Department of Biology, Faculty of Science Gazi University Ankara Turkey
2. Department of Oral, Dental, and Maxillofacial Surgery Gazi University Ankara Turkey
3. Department of Otorhinolaryngology, T.R. Ministry of Health Ankara Etlik City Hospital Ankara Turkey
4. Private Office Ankara Turkey
5. Department of Oral Pathology, Faculty of Dentistry Gazi University Ankara Turkey