1. Departments of Neurosurgery and
2. Departments of Public Health and
3. Radiology & Nuclear Medicine, Erasmus MC, University Medical Center, Rotterdam;
4. Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands;
5. Neurology, Brain Tumor Centre, Erasmus MC Cancer Institute, University Medical Center, Rotterdam;
6. Neuropathology, Heinrich Heine University, Medical Faculty, Düsseldorf, Germany;
7. Department of Neurosurgery, and
8. Department of Neurosurgery, Friedrich Schiller University, Medical Faculty, Jena, Germany
9. Dr. Senckenberg Institute of Neurooncology, Goethe University, Medical Faculty, Frankfurt; and