1. Department of Otorhinolaryngology, İstanbul Education and Research Hospital, İstanbul, Turkey
2. Department of Otorhinolaryngology, Haseki Education and Research Hospital, İstanbul, Turkey
3. Department of Otorhinolaryngology, Şişli Hamidiye Etfal Training and Research Hospital, İstanbul, Turkey
4. Department of Pathology, İstanbul Education and Research Hospital, İstanbul, Turkey
5. Department of Underwater and Hyperbaric Medicine, İstanbul University, İstanbul, Turkey