1. Department of Otorhinolaryngology, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey;
2. Department of Otorhinolaryngology, Horasan State Hospital, Erzurum, Turkey;
3. Department of Radiation Oncology, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey;
4. Department of Pathology, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey;
5. Department of Medical Biochemistry, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey