1. Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Medical University of Graz, Graz, Austria
2. Swabian Children’s Cancer Center, University Hospital Augsburg, Augsburg, Germany
3. Institute of Neuropathology, Brain Tumor Reference Center of the German Society for Neuropathology and Neuroanatomy (DGNN), University of Bonn, Bonn, Germany
4. Institute of Biostatistics and Clinical Research, University of Münster, Münster, Germany
5. Institute for Medical Informatics, Statistics and Documentation, Medical University of Graz, Graz, Austria
6. Institute of Diagnostic and Interventional Neuroradiology, University of Würzburg, Würzburg, Germany
7. West German Proton Therapy Center Essen/Clinic for Particle Therapy, Essen University Hospital, Essen, Germany
8. Section of Pediatric Neurosurgery, University Hospital Würzburg, Würzburg, Germany
9. Pediatric Neurosurgery, Charité – Universitätsmedizin Berlin, Berlin, Germany
10. Department of Radio-Oncology, University of Leipzig, Leipzig, Germany
11. Department of Pediatric Oncology/Hematology, Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany