1. Department of Neurology, University Hospital Cologne, Cologne, Germany
2. Institute of Neuroscience and Medicine 3, 4, Research Center Juelich, Juelich, Germany
3. Center of Integrated Oncology, Universities of Cologne and Bonn, Cologne, Germany
4. Department of Nuclear Medicine, University Hospital Aachen, Aachen, Germany
5. Department of Nuclear Medicine, Ludwig Maximilians-University of Munich, Munich, Germany
6. Departments of Neurology and Neurological Surgery, Fred Hutchinson Cancer Research Center, University of Washington, Seattle, Washington, USA
7. Department of Neuro-Oncology, University and City of Health and Science Hospital, Turin, Italy
8. Department of Radiation Oncology, University of Michigan, Ann Arbor, Michigan, USA
9. Department of Clinical Physiology, Nuclear Medicine and PET, Rigshospitalet, University of Copenhagen, Denmark
10. Department of Neurosurgery, University Hospital Lille, Lille, France
11. Department of Neurosurgery, University of California, San Francisco, California, USA
12. Department of Neurosurgery, Ludwig Maximilians-University of Munich, Munich, Germany
13. German Cancer Consortium, Partner Site Munich, Germany
14. Department of Radiation Oncology, Technical University Munich, Munich, Germany
15. Department of Medicine I and Comprehensive Cancer Centre CNS Tumours Unit, Medical University of Vienna, Vienna, Austria
16. Moffitt Cancer Center, University of South Florida, Tampa, Florida, USA
17. Department of Radiological Sciences, David Geffen School of Medicine, University of California, Los Angeles, California , USA
18. Department of Neurology, University Hospital and University of Zurich, Zurich, Switzerland