Department of Otorhinolaryngology and Head and Neck Surgery, Izmir-Turkey
2.Department of Otolaryngology, Head and Neck Surgery, Dr.Lütfi K›rdar Kartal Training and Research Hospital, Istanbul - Turkey
3.Department of Clinical Microbiology Atatürk Research and Training Hospital, Ministry of Health, Izmir-Turkey
4.Department of Biochemistry Atatürk Research and Training Hospital, Ministry of Health, Izmir-Turkey