1. Istanbul Medeniyet University, School of Medicine, Department of Otorhinolaryngology and Head and Neck Surgery Goztepe Training and Research Hospital Istanbul Turkey
2. Department of Otorhinolaryngology and Head & Neck Surgery University of Health Sciences, Elazig Health Practices And Research Center Elazig Turkey
3. Department of Pathology University of Health Sciences, Elazig Health Practices And Research Center Elazig Turkey