[1] Univ Calif San Francisco, Eli & Edythe Broad Ctr Regenerat Med & Stem Cell, Dept Neurol, San Francisco, CA 94143 USA
[2] Univ Kuopio, Epilepsy Res Lab, AI Virtanen Inst Mol Sci, FIN-70211 Kuopio, Finland
[3] Kuopio Univ Hosp, Dept Neurol, Kuopio 70211, Finland