1. Department of Otorhinolaryngology; Şırnak Public Hospital; Şırnak Turkey
2. Bursa Yüksek İhtisas Training and Research Hospital, Department of Otorhinolaryngology; University of Health Sciences; Bursa Turkey
3. Bursa Yüksek İhtisas Training and Research Hospital, Department of Endocrinology; University of Health Sciences; Bursa Turkey
4. Bursa Yüksek İhtisas Training and Research Hospital, Department of Neurology; University of Health Sciences; Bursa Turkey