1. Institute of Neuroscience and Medicine (INM-3, INM-4), Research Center Juelich, Juelich, Germany
2. Department of Neurology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
3. Center for Integrated Oncology (CIO), Universities of Aachen, Bonn, Cologne and Duesseldorf, Cologne, Germany
4. Princess Margaret Cancer Center and MacFeeters-Hamilton Center for Neuro-Oncology Research, University Health Network, Wilkins Family Chair in Brain Tumor Research, Toronto, Canada
5. Division of Neurosurgery, Toronto Western Hospital, Toronto, Canada
6. Krembil Brain Institute, Toronto, Canada
7. Department of Stereotaxy and Functional Neurosurgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany