1. Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
2. Department of Pathology, University of California San Francisco, San Francisco, California, USA
3. Department of Pathology, Amsterdam University Medical Centers/VUmc, Amsterdam, the Netherlands
4. Laboratory for Childhood Cancer Pathology, Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
5. Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
6. International Agency for Research on Cancer, World Health Organization, Lyon, France
7. Service d’Anatomie Pathologique et de Neuropathologie, APHM, CNRS, Institut de Neurophysiopathologie, Hôpital de la Timone, Aix-Marseille University, Marseille, France
8. Department of Paediatric Laboratory Medicine, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada
9. Department of Anatomical and Cellular Pathology, Chinese University of Hong Kong, Hong Kong, China
10. Hopp Children’s Cancer Center at the NCT Heidelberg (KiTZ), Division of Pediatric Neurooncology, German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), and Department of Pediatric Oncology, Hematology and Immunology, Heidelberg University Hospital, Heidelberg, Germany
11. Institute of Neuropathology, University Hospital Düsseldorf and Medical Faculty, Heinrich Heine University Düsseldorf, and German Cancer Consortium (DKTK) Partner Site Essen/Düsseldorf, Düsseldorf, Germany
12. Department of Neurology and Neuro-Oncology, University of Turin Medical School, Turin, Italy
13. Department of Neuropathology, Institute of Pathology, Ruprecht-Karls-University, Heidelberg, Germany
14. Clinical Cooperation Unit Neuropathology, German Cancer Research Center (DKFZ), and German Cancer Consortium (DKTK), Heidelberg, Germany
15. Department of Pathology, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA