[1] Gaziosmanpasa Univ, Fac Med, Dept Otorhinolaryngol, Tokat, Turkey
[2] Gaziosmanpasa Univ, Fac Med, Dept Microbiol, Tokat, Turkey
[3] Gaziosmanpasa Univ, Fac Med, Dept Pediat, Tokat, Turkey
[4] Gaziosmanpasa Univ, Fac Med, Dept Hlth Sci, Tokat, Turkey