Erkan Kahraman
From the Gulhane Medical School, Dept of ORL, Ankara
Nazım Ata
Aircrew’s Health, Research and Training Center, Eskisehir-Turkey
Armağan incesulu
USA; Department of Otorhinolaryngology, Osmangazi University School of Medicine, Eskişehir
Cengiz Bal
Eskisehir Osmangazi University Medical Faculty, Department of Biostatistics, Eskisehir-Turkey
