Hearing and Balance Disorders, Diagnosis and Rehabilitation Center, Atatürk Training and Research Hospital, Ankara, Turkey
2.Ear Nose and Throat and Head and Neck Surgery Audiology and Speech Pathology Unit, Hacettepe University Faculty of Medicine, Ankara, Turkey
3.Otolaryngologist, Department of Otolaryngology, Ataturk Education and Research Hospital, Ankara, Turkey
4.Ear Nose and Throat and Head and Neck Surgery Audiology and Speech Pathology Unit, Hacettepe University Faculty of Medicine, Ankara, Turkey; Hacettepe University Faculty of Medicine Ear Nose Throat Dpt Audiology&Speech Pathology Unit Sihhiye Ankara Turkey
5.Ear Nose and Throat and Head and Neck Surgery Audiology and Speech Pathology Unit, Hacettepe University Faculty of Medicine, Ankara, Turkey,
6.Audiology Unit, Faculty of Medicine, Gazi University, Ankara, Turkey