Ministry of Health, Diskapi Yildirim Beyazit Training and Research Hospital, Department of Otolaryngology, Head and Neck Surgery, Ankara, Turkey
2.Karabuk University, School of Medicine, Norology Department, Karabuk, Turkey
3.Karabuk University, School of Medicine, Otolaryngology, Head and Neck Surgery Department, Karabuk, Turkey
4.Ministry of Health, Diskapi Yildirim Beyazit Training and Research Hospital, Neurology Department, Ankara, Turkey.
5.Ministry of Health, Diskapi Yildirim Beyazit Training and Research Hospital, Neurology Department, Ankara, Turkey
6.Ministry of Health Ulucanlar Eye Education and Research Hospital, Ankara, Turkey.
7.Yıldırım Beyazıt University, School of Medicine, Otolaryngology, Head and Neck Surgery Department, Ankara, Turkey