1. New Hearing Technologies Research Center, Clinical Sciences Institute Baqiyatallah University of Medical Sciences Tehran Iran
2. Department of Otorhinolaryngology, Head and Neck Surgery, Faculty of Medicine Baqiyatallah University of Medical Sciences Tehran Iran
3. Faculty of Medicine Baqiyatallah University of Medical Sciences Tehran Iran
4. Department of Community Medicine, Medicine, Quran and Hadith Research Center, Faculty of Medicine Baqiyatallah University of Medical Sciences Tehran Iran