SINTEF Digital, University of Amsterdam - University Medical Center, SINTEF Digital, University of Amsterdam - Cancer Center Amsterdam, Elisabeth-Tweesteden Hospital, VU University Amsterdam - Department of Radiology & Nuclear Medicine, University of Milan - Neurosurgical Oncology Unit, University of California, San Francisco (UCSF) - Department of Neurological Surgery, University of Gothenburg - Institute of Neuroscience and Physiology, University of Milan - Neurosurgical Oncology Unit, Medical University of Vienna - Department of Biomedical Imaging and Image-guided Therapy, University of California, San Francisco (UCSF) - Department of Neurological Surgery, Northwest Clinics, Medical University of Vienna - Department of Neurosurgery, Haaglanden Medical Center, Hopital Lariboisiere, University of Amsterdam - Cancer Center Amsterdam, University Medical Center Utrecht - Department of Neurology and Neurosurgery, University of Milan - Neurosurgical Oncology Unit, St. Olavs University Hospital - Department of Neurosurgery, Universita' Degli Studi Di Milano, Isala Zwolle, University of Groningen - Department of Neurosurgery, Medical University of Vienna - Department of Neurosurgery, Netherlands Cancer Institute - Department of Radiation Oncology, University of Amsterdam - University Medical Center, St. Olavs University Hospital - Department of Neurosurgery, University of Gothenburg - Institute of Neuroscience and Physiology, St. Olavs University Hospital - Department of Neurosurgery, University of Amsterdam - Cancer Center Amsterdam, SINTEF Digital, University of Amsterdam - Cancer Center Amsterdam and SINTEF Digital