1. Swabian Children's Cancer Center University Hospital Augsburg Augsburg Germany
2. Institute of Biostatistics and Clinical Research, University of Muenster Münster Germany
3. Institute of Neuropathology, DGNN Brain Tumor Reference Center, University Bonn Bonn Germany
4. Institute of Diagnostic and Interventional Neuroradiology, University Hospital Wuerzburg Wuerzburg Germany
5. Section of Pediatric Neurosurgery University Hospital Wuerzburg Wuerzburg Germany
6. Department of Radio‐Oncology University Leipzig Leipzig Germany
7. Department of Particle Therapy University Hospital Essen, West German Proton Therapy Centre Essen (WPE), West German Cancer Center (WTZ), German Cancer Consortium (DKTK) Essen Germany
8. Pediatric Neurosurgery Charité Universitaetsmedizin Berlin Berlin Germany
9. Dr. von Hauner Children's Hospital, Ludwig‐Maximilians Universitaet Munich Germany
10. Department of Pediatric Oncology/Hematology Charité Universitaetsmedizin Berlin, Corporate member of Freie Universitaet Berlin, Humboldt‐Universitaet zu Berlin, and Berlin Institute of Health Berlin Germany
11. Hopp Children's Cancer Center Heidelberg (KiTZ) German Cancer Research Center (DKFZ) and Heidelberg University Hospital Heidelberg Germany