1. Department of Neurology and Brain Tumour Centre, University Hospital and University of Zurich, Switzerland
2. Brain Tumour Centre, Department of Clinical Neurosciences and Oncology, CHUV Lausanne University Hospital, Lausanne, Switzerland
3. Departments of Neurology and Department of Haematology/Oncology, Cantonal Hospital St Gallen, Switzerland
4. Division of Oncology and Department of Biomedicine, University Hospital Basel, Switzerland
5. Department of Neurosurgery, University Hospital Bern, Switzerland
6. Neurosurgery NSI, EOC Lugano Switzerland, Biomedical Faculty University of Southern Switzerland, Lugano Switzerland and Medical Faculty University of Bern, Switzerland
7. Division of Oncology, Cantonal Hospital of Aarau, Switzerland
8. Division of Neurology, Cantonal Hospital Lucerne, Switzerland
9. Division of Medical Oncology, Cantonal Hospital Lucerne, Switzerland
10. Department of Neurology and Brain Tumour Centre, University Hospital and University of Zurich, Switzerland / Division of Medical Oncology, Cantonal Hospital Lucerne, Switzerland