1. Department of Otolaryngology; Abant Izzet Baysal University Faculty of Medicine; Bolu Turkey
2. Department of Otolaryngology; TRF 29 Mayis Private Hospital; Ankara Turkey
3. Department of Histology and Embryology; Abant Izzet Baysal University Faculty of Medicine; Bolu Turkey
4. Department of Histology and Embryology; Medipol University Faculty of Medicine; Istanbul Turkey