1. 1. University of Health Sciences, Bursa Faculty of Medicine, Bursa Yüksek İhtisas Training and research Hospital, Department of Otorhinolaryngology, Bursa, Turkey
2. 2. Erzincan Binali Yildirim University, Mengucek Gazi Training and Research Hospital, Department of Pathology, Erzincan, Turkey
3. 3. University of Health Sciences, Bursa Faculty of Medicine, Bursa Yüksek İhtisas Training and research Hospital, Department of Medical Pathology, Bursa, Turkey