1. Faculty of Medicine, Department of Otorhinolaryngology, Nişantaşı University; and Baypark Hospital, Otolaryngology Clinics, Istanbul, Turkey
2. Faculty of Medicine, Department of Otorhinolaryngology, Kirikkale University, Kirikkale, Turkey
3. Otorhinolaryngology Clinics, Dr. Oğuzhan Oğuz Wellnose Clinic, Istanbul, Turkey
4. Medical Faculty, Department of Otorhinolaryngology, Eskisehir Osmangazi University, Eskisehir, Turkey
5. Medical Faculty, Department of Pathology, Eskisehir Osmangazi University, Eskisehir, Turkey
6. Medical Faculty, Department of Biostatistics, Eskisehir Osmangazi University, Eskisehir, Turkey