1. Institute of Neuropathology University Hospital Münster Münster Germany
2. Hopp Children's Cancer Center (KiTZ) Heidelberg Germany
3. Division of Paediatric Neurooncology German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK) Heidelberg Germany
4. Institute of Human Genetics Ulm University and Ulm University Medical Center Ulm Germany
5. Department of Immunology, Genetics and Pathology, Rudbeck Laboratory Uppsala University Uppsala Sweden
6. Department of Clinical Pathology Uppsala University Hospital Uppsala Sweden
7. Department of Pediatric Hematology and Oncology University Medical Center Hamburg Germany
8. Institute of Neuropathology University Medical Center Hamburg Germany
9. Center for Molecular Neurobiology Hamburg (ZMNH) University Medical Center Hamburg‐Eppendorf Hamburg Germany
10. Department of Pathology The Johns Hopkins University School of Medicine Baltimore Maryland USA
11. Radiation Oncology British Columbia Cancer and University of British Columbia Vancouver Canada
12. Division of Hematology, Oncology and BMT, Department of Pediatrics University of British Columbia Vancouver Canada
13. Department of Pathology BC Women and Children's Hospital Vancouver Canada
14. Department of Neuropathology, Institute of Pathology Hannover Medical School Hannover Germany
15. Department of Neuropathology Charité ‐ Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt‐Universität zu Berlin Berlin Germany
16. German Cancer Consortium (DKTK), Partner Site Berlin German Cancer Research Center (DKFZ) Heidelberg Germany
17. Pediatric and Adolescent Medicine, Swabian Childrens' Cancer Center University Childrens' Hospital Medical Center Augsburg and EU‐RHAB Registry Augsburg Germany
18. Princess Máxima Center for Pediatric Oncology Utrecht Netherlands