[1] Hosp Sick Children, Dept Pediat, Div Neurol, Program Genet & Genom Biol, Toronto, ON M5G 1X8, Canada
[2] Univ Toronto, Dept Mol & Med Genet, Toronto, ON M5G 1X8, Canada
[3] Ottawa Gen Hosp, Ottawa Hlth Res Inst, Div Neurol, Ottawa, ON K1H 8L6, Canada
[4] McGill Univ, Montreal Neurol Hosp & Inst, Dept Neurol & Neurosurg, Neurogenet Unit, Montreal, PQ H3A 2B4, Canada
[5] McGill Univ, Montreal Neurol Hosp & Inst, Dept Human Genet, Neurogenet Unit, Montreal, PQ H3A 2B4, Canada
[6] McGill Univ, Montreal Neurol Hosp & Inst, Epilepsy Serv, Montreal, PQ H3A 2B4, Canada
[7] McGill Univ, Dept Paediat, Montreal, PQ H3A 2B4, Canada
[8] McGill Univ, Montreal Gen Hosp, Ctr Hlth, Res Inst,Ctr Res Neurosci, Montreal, PQ H3G 1A4, Canada
[9] Univ Calif Los Angeles, Sch Med, W Los Angeles DVA Med Ctr, Dept Neurol,Comprehens Epilepsy Program, Los Angeles, CA 90073 USA
[10] Univ Calif Los Angeles, Sch Med, W Los Angeles DVA Med Ctr, Brain Res Inst, Los Angeles, CA 90073 USA