1. Department of Pediatric Oncology and Hematology Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt‐Universität zu Berlin Berlin Germany
2. Department of Pediatric Neurosurgery Charité – Universitätsmedizin Berlin Berlin Germany
3. Swabian Children's Cancer Center, Faculty of Medicine University Augsburg Augsburg Germany
4. Division of Pediatric Neurosurgery, Department of Neurosurgery, University Hospital of Tuebingen Eberhard Karls University of Tuebingen Tuebingen Germany
5. Division of Pediatric Neurosurgery, Department of Neurosurgery Universitätsklinikum Heidelberg Heidelberg Germany
6. Department of Pediatric Neurosurgery, University Children's Hospital University of Würzburg Würzburg Germany
7. Hopp Children's Cancer Center Heidelberg (KiTZ), Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ), Heidelberg University Hospital, National Center for Tumor Diseases (NCT) Heidelberg Germany
8. Diagnostic and Interventional Neuroradiology, Faculty of Medicine University of Augsburg Augsburg Germany
9. Department of Neuropathology and DGNN Brain Tumor Reference Center University of Bonn Medical Center Bonn Germany