[1] Hacettepe Univ, Fac Med, Div Pediat Neurol, TR-06100 Ankara, Turkey
[2] Hacettepe Univ, Fac Med, Dept Pediat, TR-06100 Ankara, Turkey
[3] Hacettepe Univ, Fac Med, Dept Radiol, TR-06100 Ankara, Turkey
[4] Hacettepe Univ, Fac Med, Dept Nucl Med, TR-06100 Ankara, Turkey
[5] Hacettepe Univ, Fac Med, Dept Pathol, TR-06100 Ankara, Turkey
[6] Hacettepe Univ, Fac Med, Dept Neurosurg, TR-06100 Ankara, Turkey
[7] Minist Hlth, Yuksek Ihtisas Hosp, Neonatol Unit, Kirikkale, Turkey
[8] Medipol Univ, Fac Med, Dept Pediat, Div Pediat Neurol, Istanbul, Turkey
[9] Medipol Univ, Fac Med, Dept Neurosurg, Istanbul, Turkey