1. Department of Neuroscience, University Hospital San Giovanni Battista, Turin, Italy
2. Department of Radiation‐Oncology (MAASTRO), GROW (School for Oncology & Developmental Biology), Maastricht University Medical Center (MUMC), The Netherlands
3. Department of Neurological Sciences, Neurosurgery, University, Milan, Italy
4. Department of Neuropathology, University, Heidelberg, Germany
5. Department of Neurosurgery, Hôspital Guide Chauliac, Montpellier, France
6. Department of Medical Oncology, Centre Antoine Lacassagne, Nice, France
7. Department of Neurology, Kaiser Franz Josef Hospital, Vienna, Austria
8. Centre for Neuro‐Oncology, Western General Hospital, Edinburgh, UK
9. Service of Neurology, Hospital Clinic, Barcelona, Spain
10. Service de Neurologie, Groupe Hospitalier Pitié‐Salpêtrière, Paris, France
11. Department of Medical Psychology, VU University Medical Center, Amsterdam, The Netherlands
12. Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden
13. National Hospital for Neurology and Neurosurgery, London, UK
14. Center for Neuro‐Oncology, Hadassah Hebrew University Hospital, Jerusalem, Israel
15. Department of Neuroscience, Neurology, University Hospital, Uppsala, Sweden
16. Department of Neurosurgery, Medical Oncology, University Hospital, Lausanne, Switzerland
17. Department of Neurooncology, University, Heidelberg, Germany