[1] NYU, Comprehens Epilepsy Ctr, New York, NY USA
[2] Univ Penn, Dept Neurol, Philadelphia, PA USA
[3] Univ Melbourne, Austin Hlth, Dept Med, Melbourne, Vic, Australia
[4] Monash Univ, Dept Neurosci, Melbourne, Vic, Australia
[5] Western Infirm & Associated Hosp, Univ Dept Med & Therapeut, Glasgow, Scotland
[6] Univ Calif Davis, Sch Med, Sacramento, CA USA
[7] Xenon Pharmaceut, Vancouver, BC, Canada
[8] NYU, Comprehens Epilepsy Ctr, 223 34th St, New York, NY 10016 USA