1. Department of Otorhinolaryngology/Head and Neck Surgery, Haydarpaşa Numune Education and Research Hospital, Istanbul, Turkey
2. Department of Otorhinolaryngology/Head and Neck Surgery, Namık Kemal University, Tekirdağ , Turkey
3. Department of Otorhinolaryngology/Head and Neck Surgery, Gaziosmanpasa University, Tokat 60100, Turkey
4. Department of Pathology, Taksim Education and Research Hospital, Istanbul, Turkey
5. Department of Otorhinolaryngology/Head and Neck Surgery, Taksim Education and Research Hospital, Istanbul, Turkey