[1] New York Univ, Comprehens Epilepsy Ctr, New York, NY USA
[2] Univ Penn, Philadelphia, PA USA
[3] Monash Univ, Melbourne, Vic, Australia
[4] Western Infirm & Associated Hosp, Univ Dept Med & Therapeut, Glasgow, Lanark, Scotland
[5] Univ Calif Davis, Sch Med, Sacramento, CA USA
[6] Xenon Pharmaceut, Vancouver, BC, Canada