1. Clinic of Otorhinolaryngology, Ünye State Hospital, Ordu, Turkey

2. Department of Otorhinolaryngology, University of Health Sciences, Samsun Training and Research Hospital, Samsun, Turkey

3. Department of Otorhinolaryngology, Samsun University Faculty of Medicine, Samsun, Turkey

4. Department of Pathology, University of Health Sciences, Samsun Training and Research Hospital, Samsun, Turkey