1. 1Department of General Surgery, Medical Faculty of Abant Izzet Baysal University, 14280, Bolu, Turkey
2. 2Department of (2nd) General Surgery, Yıldırım Beyazıt Training and Research Hospital, 06110, Ankara, Turkey
3. 3Department of (1st) Otorhinolaryngology, Yıldırım Beyazıt Training and Research Hospital, 06110, Ankara, Turkey