[1] Erasmus Univ, Med Ctr, Neurooncol Unit, Daniel den Hoed Oncol Ctr, NL-3008 AE Rotterdam, Netherlands
[2] Catharina Hosp, Dept Neurol, Eindhoven, Netherlands
[3] Haga Ziekenhuis, Dept Radiotherapy, The Hague, Netherlands
[4] Haga Ziekenhuis, Dept Med Oncol, The Hague, Netherlands
[5] Haga Ziekenhuis, Dept Neurosurg, The Hague, Netherlands