[1] Bozok Univ, Fac Med, Dept Neurosurg, Yozgat, Turkey
[2] Erciyes Univ, Fac Med, Dept Pediat Neurol, Kayseri, Turkey
[3] Osmangazi Univ, Fac Med, Dept Pediat Neurol, Eskisehir, Turkey
[4] Erciyes Univ, Fac Med, Dept Pathol, Kayseri, Turkey
[5] Erciyes Univ, Fac Med, Dept Neurosurg, Kayseri, Turkey