Abant Izzet Baysal University, Medical Faculty, Department of Otolaryngology, Bolu
2.Abant Izzet Baysal University, Medical Faculty, Department of Psychiatry, Bolu
3.Medistate Kavacık Hospital, Biochemistry Lab, Istanbul
4.May 29 Hospital, Department of Otolaryngology, Ankara
5.Abant Izzet Baysal University, Medical Faculty, Department of Otolaryngology, Bolu (