[1] UCL, UCL Queen Sq Inst Neurol, Dept Clin & Expt Epilepsy, London, England
[2] Natl Hosp Neurol & Neurosurg, Victor Horsley Dept Neurosurg, Queen Sq, London WC1N 3BG, England
[3] Cleveland Clin London, Inst Neurosci, Dept Neurosurg, Grosvenor Pl, London, England
[4] Kobe Univ, Grad Sch Med, Div Neurol, 7-5-1 Kusunoki Cho,Chuo Ku, Kobe, Japan
[5] Kobe Univ Hosp, Epilepsy Ctr, Kobe, Japan
[6] Kobe Univ Hosp, Ctr Cognit & Memory Disorders, Kobe, Japan