1. Department of Otorhinolaryngology, Head and Neck Surgery, Bandırma State Hospital, Bandırma, Balıkesir, Turkey;
2. Department of Chest Diseases, Erzincan University, Erzincan, Turkey;
3. Department of Otorhinolaryngology, Head and Neck Surgery, Soma Fer Hospital, Soma, Manisa, Turkey;
4. Department of Otorhinolaryngology, Head and Neck Surgery, Erzincan University, Erzincan, Turkey