1. Department of Otolaryngology, Head and Neck Surgery, Karadeniz Technical University School of Medicine, Trabzon, Turkey

2. Department of Otolaryngology, Head and Neck Surgery, Pendik Training and Research Hospital, Marmara University, İstanbul, Turkey

3. Department of Otolaryngology, Head and Neck Surgery, Yeditepe University School of Medicine, İstanbul, Turkey

4. Department of Otolaryngology, Head and Neck Surgery, Fulya Acıbadem Hospital, İstanbul, Turkey

5. Department of Otolaryngology, Head and Neck Surgery, İstanbul Cerrahi Hospital, İstanbul, Turkey

6. Department of Otorhinolaryngology, Head and Neck Surgery, İbni Sina Hospital, Ankara University School of Medicine, Ankara, Turkey

7. Private Practice, İzmir, Turkey

8. Department of Otorhinolaryngology, Head and Neck Surgery, Lor Hospital, Baku, Azerbaijan

9. Department of Otorhinolaryngology, Head and Neck Surgery, Sakarya Training and Research Hospital, Sakarya, Turkey

10. Department of Otorhinolaryngology, Head and Neck Surgery, Ufuk University School of Medicine, Ankara, Turkey

11. Department of Otorhinolaryngology, Head and Neck Surgery, Medicana Hospital, Konya, Turkey

12. Department of Otorhinolaryngology, Head and Neck Surgery, Gaziosmanpaşa Training and Research Hospital, İstanbul, Turkey

13. Department of Otolaryngology, Head and Neck Surgery, Kocaeli University School of Medicine, Kocaeli, Turkey

14. Department of Otorhinolaryngology, Head and Neck Surgery, Dışkapı Training and Research Hospital, Ankara, Turkey

15. Department of Otorhinolaryngology, Head and Neck Surgery, Başkent University School of Medicine, Ankara, Turkey

16. Department of Otorhinolaryngology, Head and Neck Surgery, Maltepe University School of Medicine, İstanbul, Turkey

17. Department of Otolaryngology, Head and Neck Surgery, Uludağ University School of Medicine, Bursa, Turkey

18. Department of Otorhinolaryngology, Head and Neck Surgery, Private Practice, Ankara, Turkey

19. Department of Otolaryngology, Head and Neck Surgery, Bakırköy Acıbadem Hospital, İstanbul, Turkey