1. Faculty of Medicine, ENT Clinic, Necmettin Erbakan University, Konya, Turkey
2. Department of Audiology, Faculty of Health Sciences, Ege University, Izmir, Turkey
3. Department of Audiology, Faculty of Health Sciences, Hamidiye University of Health Sciences, Istanbul, Turkey
4. Department of Audiology, Faculty of Health Sciences, Inonu University, Malatya, Turkey
5. Department of Audiology, Faculty of Health Sciences, Gülhane University of Health Sciences, Ankara, Turkey
6. Department of Biostatistics, Faculty of Medicine, Malatya Turgut Ozal University, Malatya, Turkey