1. Department of Otorhinolaryngology, Head and Neck Surgery; Yıldırım Beyazıt University School of Medicine; Ankara Turkey
2. Department of Otorhinolaryngology, Head and Neck Surgery; Bitlis Tatvan State Hospital; Bitlis Turkey
3. Department of Otorhinolaryngology, Head and Neck Surgery; Ataturk Training and Research Hospital; Ankara Turkey
4. Department of Otorhinolaryngology, Head and Neck Surgery; Medipol University Faculty of Medicine; Istanbul Turkey
5. Department of Clinical Biochemistry; Gaziantep 25 Aralık State Hospital; Gaziantep Turkey
6. Department of Clinical Biochemistry, Head and Neck Surgery; Yıldırım Beyazıt University School of Medicine; Ankara Turkey