[1] Womens & Childrens Hosp, Dept Med Genet, Adelaide, SA 5006, Australia
[2] Univ Adelaide, Sch Paediat & Reprod Hlth, Adelaide, SA 5005, Australia
[3] Wellcome Trust Sanger Inst, Cambridge CB10 1SA, England
[4] Univ Adelaide, Sch Mol & Biomed Sci, Adelaide, SA 5005, Australia
[5] Univ Melbourne, Epilepsy Res Ctr, Heidelberg Repatriat Hosp, Heidelberg West, Vic 3081, Australia
[6] Univ Melbourne, Dept Med, Heidelberg Repatriat Hosp, Heidelberg West, Vic 3081, Australia
[7] Univ Melbourne, Dept Paediat, Royal Childrens Hosp, Parkville, Vic 3052, Australia
[8] Univ Calif Los Angeles, Program Neurogenet & Neurobehav Genet, Dept Neurol, David Geffen Sch Med, Los Angeles, CA 90095 USA
[9] Univ Calif Los Angeles, Semel Inst Neurosci & Behav, David Geffen Sch Med, Los Angeles, CA 90095 USA
[10] Massachusetts Gen Hosp, Mol Neurogenet Unit, Ctr Human Genet Res, Boston, MA 02114 USA
[11] Harvard Univ, Sch Med, Dept Genet, Boston, MA 02115 USA
[12] Tel Aviv Sourasky Med Ctr, Dept Neurol, IL-64239 Tel Aviv, Israel
[13] Schneider Childrens Med Ctr, Dept Neurol, IL-49202 Petaq Tikvah, Israel
[14] Wolfson Med Ctr, Metab Neurogenet Clin, IL-58100 Holon, Israel
[15] AstraZeneca, Wilmington, DE 19803 USA
[16] Belfast City Hosp, No Ireland Reg Genet Serv, Belfast BT9 7AB, Antrim, North Ireland