[1] Maastricht Univ Hosp, Dept Neurosurg, Maastricht, Netherlands
[2] Maastricht Univ, Inst Brain & Behav, Maastricht, Netherlands
[3] Epilepsy Ctr Kempenhaeghe, Dept Neurol & Neuropsychol, Heeze, Netherlands
[4] Medtron Bakken Res Ctr, Maastricht, Netherlands