1. Department of Pathology Massachusetts General Hospital Harvard Medical School Boston MA
2. Department of Pathology Amsterdam University Medical Centers/VUmc Amsterdam The Netherlands
3. Princess Máxima Center for Pediatric Oncology Utrecht The Netherlands
4. Laboratory of Pathology National Cancer Institute Bethesda MD
5. Department of Pathology Northwestern University Feinberg School of Medicine Chicago IL
6. Department of Neuropathology Humboldt‐Universität zu Berlin and Berlin Institute of Health Corporate Member of Freie Universität Berlin Charité – Universitätsmedizin Berlin Berlin Germany
7. German Cancer Research Center German Cancer Consortium Partner Site Berlin Heidelberg Germany
8. International Agency for Research on Cancer World Health Organization Lyon France
9. Department of Pathology Johns Hopkins School of Medicine Baltimore MD
10. Service d'Anatomie Pathologique et de Neuropathologie Hôpital de la Timone Institut de Neurophysiopathology Aix‐Marseille Univ APHM CNRS Marseille France
11. Department of Pediatrics Cincinnati Children's Hospital Medical Center University of Cincinnati Cincinnati OH
12. Department of Pathology University of Texas MD Anderson Cancer Center Houston TX
13. Department of Laboratory Medicine and Pathology Mayo Clinic Rochester MN
14. Department of Biomedical and Neuromotor Sciences Alma Mater Studiorum University of Bologna Bologna Italy
15. Institute of Neurology Medical University of Vienna Vienna Austria
16. Department of Paediatric Laboratory Medicine The Hospital for Sick Children University of Toronto Toronto Canada
17. Department of Laboratory Medicine and Pathology Tokyo Metropolitan Neurological Hospital Tokyo Japan
18. Department of Pathology Erasmus Medical Center Rotterdam The Netherlands
19. Department of Anatomical and Cellular Pathology Chinese University of Hong Kong Hong Kong China
20. Department of Pathology St. Jude Children's Research Hospital Memphis TN
21. Department of Pathology Seoul National University College of Medicine Seoul South Korea
22. Institute of Neuropathology University Hospital Munster Munster Germany
23. Department of Pathology University of California San Francisco San Francisco CA
24. Department of Neuropathology DGNN Brain Tumor Reference Center University of Bonn Bonn Germany
25. Department of Neuropathology Heinrich Heine University Duesseldorf Germany
26. German Cancer Consortium Partner Site Essen/Duesseldorf Essen Germany
27. Department of Pathology Memorial Sloan‐Kettering Cancer Center New York NY
28. Department of Pathology Cambridge University Hospitals NHS Foundation Trust Cambridge UK
29. Department of Neuropathology Institute of Pathology Ruprecht‐Karls‐University Heidelberg Germany
30. Clinical Cooperation Unit Neuropathology German Cancer Research Center German Cancer Consortium Heidelberg Germany
31. Hopp Children's Cancer Center NCT Heidelberg Heidelberg Germany
32. Department of Pathology All India Institute of Medical Sciences New Delhi India
33. Department of Pediatrics The Hospital for Sick Children University of Toronto Toronto Canada
34. Department of Neurology Erasmus MC Cancer Institute Rotterdam The Netherlands
35. Department of Neurology University Hospital and University of Zurich Zurich Switzerland