[1] King Faisal Specialist Hosp & Res Ctr, Dept Pediat, Infect Dis Sect, Riyadh 11211, Saudi Arabia
[2] King Faisal Specialist Hosp & Res Ctr, Dept Neurosci, Sect Pediat Neurol, Riyadh 11211, Saudi Arabia
[3] King Faisal Specialist Hosp & Res Ctr, Dept Neurosci, Neurosurg Sect, Riyadh 11211, Saudi Arabia