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