1. Department of Otorhinolaryngology; Medipol University Faculty of Medicine; Istanbul Turkey
2. MEDers Speech and Hearing; Istanbul Turkey
3. Department of Otorhinolaryngology; Faculty of Medicine, Gaziantep University; Gaziantep Turkey
4. Department of Otorhinolaryngology; Faculty of Medicine, Erciyes University; Kayseri Turkey
5. Department of Otorhinolaryngology; Faculty of Medicine, Baskent University; Adana Turkey
6. Department of Otorhinolaryngology; Faculty of Medicine, Baskent University; Ankara Turkey