1. Neuro-Oncology Unit, IRCCS Regina Elena National Cancer Institute, Rome, Italy
2. Department of Neurology, Leiden University Medical Center, Leiden, the Netherlands
3. Department of Neurology, Haaglanden Medical Center, The Hague, the Netherlands
4. Department of Neurology, The Brain Tumor Center, Erasmus Medical Center, Rotterdam, the Netherlands
5. Brainstrust (The Brain Cancer People), Cowes, Isle of Wight, UK
6. Department of Palliative Medicine, University Hospital Waterford, Waterford, Ireland
7. Edinburgh Centre for Neuro-Oncology, Western General Hospital, Edinburgh, Scotland, UK
8. Department of Palliative Medicine, University Hospital of Cologne, Cologne, Germany
9. Department of Radiation Sciences and Oncology, Umeå University, Umeå, Sweden
10. Salford Royal Foundation Trust, Manchester, UK
11. Department of Internal Medicine I, Clinical Division of Medical Oncology, Medical University of Vienna, Vienna, Austria
12. Department of Neuroscience, Cambridge University Hospitals, Cambridge, UK
13. Department Neurology, University Clinic St Pölten, KLPU and KLI-Neurology and Neuropsychology, St Pölten, Austria
14. International Brain Tumour Alliance, Tadworth, UK
15. Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Amsterdam University Medical Centers, Amsterdam, the Netherlands
16. Department of Neurosurgery, University Hospital Zurich, Zurich, Switzerland
17. Division of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, Edinburgh, Scotland, UK
18. Department of Neuro-Oncology, University and City of Health and Science Hospital, Turin, Italy
19. Department of Palliative Care, Fondazione FARO, Turin, Italy
20. Department of Neurology and Neurosurgery, Henry Ford Health System, Detroit, Michigan, US
21. Department of Neurology & Brain Tumor Center, University Hospital and University of Zurich, Zurich, Switzerland
22. Neurology Clinic and National Centre for Tumour Diseases, University Hospital Heidelberg, Heidelberg, Germany
23. German Consortium of Translational Cancer Research (DKTK), Clinical Cooperation Unit Neurooncology, German Cancer Research Center, Heidelberg, Germany