1. Department of Physical Medicine and Rehabilitation, University of Health Sciences, Prof Dr Cemil Tascioglu City Hospital, Istanbul, Turkey
2. Department of Otorhinolaryngology, Acibadem Maslak Hospital, Istanbul, Turkey
3. Department of Otorhinolaryngology, University of Health Sciences, Prof Dr Cemil Tascioglu City Hospital, Istanbul, Turkey
4. Istanbul Faculty of Medicine, Department of Public Health, Istanbul University, Istanbul, Turkey
5. Department of Otorhinolaryngology, Üniversite Mah, Üniversite Mah, Istanbul, Turkey