1. Department of Medical Microbiology Faculty of Medicine, Yuksek Ihtisas University Ankara Turkey
2. Department of Medical Microbiology, Faculty of Medicine Ankara Yıldırım Beyazıt University Ankara Turkey
3. Department of Medical Microbiology Faculty of Medicine, Sakarya University Sakarya Turkey
4. Central Research and Application Center Ankara Yildirim Beyazit University Ankara Turkey
5. Department of Otolaryngology, Faculty of Medicine Istanbul Medeniyet University Istanbul Turkey