[1] Childrens Hosp, Med Ctr, Div Neurol, Cincinnati, OH 45229 USA
[2] Univ Hosp Robert Debre, Paris, France
[3] Epilepsy & Neurodev Inc, W Jordan, UT USA
[4] Monarch Res Eastern Virginia Med Sch, Norfolk, VA USA
[5] Bambino Gesu Pediat Hosp, Rome, Italy
[6] Eisai Global Clin Dev, Ridgefield Pk, NJ USA