[1] Cincinnati Childrens Hosp, Div Child Neurol, Dept Pediat, Med Ctr, Cincinnati, OH 45229 USA
[2] Mayo Clin, Div Child Neurol, Dept Neurol, Rochester, MN USA
[3] Florida Hosp Children, Comprehens Pediat Epilepsy Ctr, Orlando, FL USA
[4] Univ Cincinnati, Med Ctr, Cincinnati Childrens Hosp, Div Pediat Neurosurg, Cincinnati, OH 45267 USA