1. Department of Neurology University Hospital Heidelberg Heidelberg Germany
2. EORTC Headquarters Brussels Belgium
3. Department of Neurosurgery Erasmus Hospital, Free University of Brussels Brussels Belgium
4. Aix‐Marseille University, APHM, CNRS, INP, Institute of Neurophysiopathology, CHU Timone, Service de Neuro‐Oncologie Marseille France
5. Malnati Brain Tumor Institute of the Lurie Cancer Center, Northwestern University Feinberg School of Medicine Chicago Illinois USA
6. Department of Neurology and O'Neal Comprehensive Cancer Center University of Alabama at Birmingham Birmingham Alabama USA
7. Department of Neurology University Hospital and University of Zurich Zurich Switzerland