1. Department of Otorhinolaryngology/Head and Neck Surgery; Kilis State Hospital; Kilis Turkey
2. Department of Otorhinolaryngology/Head and Neck Surgery; Istanbul Training and Research Hospital; Istanbul Turkey
3. Zootechnical and Animal Nutrition Faculty of Veterinary; Cumhuriyet University; Sivas Turkey
4. Histology and Embryology Department; Inonu University Faculty of Medicine; Malatya Turkey