1 Department of Pathology, University of Cambridge, Cambridge, UK.
2 Department of Pediatric Hematology and Oncology, Hospital Infantil Virgen del Rocio, Seville, Spain.
3 Arthur and Sonia Labatt Brain Tumor Research Centre, Hospital for Sick Children, Toronto, Ontario, Canada.
4 Monash Children's Cancer Centre, Monash Children's Hospital, Monash Health, Melbourne, Victoria, Australia.
5 Center for Cancer Research, Hudson Institute of Medical Research, Melbourne, Victoria, Australia.
6 Department of Molecular and Translational Science, School of Medicine, Nursing and Health Science, Monash University, Melbourne, Victoria, Australia.
7 Department of Radiology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.
8 Department of Oncology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.
9 East Genomics Laboratory Hub (GLH) Genetics Laboratory, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.
10 Department of Pediatrics, Division of Pediatric Hematology/Oncology, Dalhousie University and IWK Health Centre, Halifax, Nova Scotia, Canada.
11 Department of Pediatrics, Division of Hematology and Oncology, Baylor College of Medicine, Texas Children's Hospital, Houston, Texas, USA.
12 SIHMDS-Acquired Genomics Laboratory, NHS North Thames Genomic Laboratory Hub, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK.
13 Developmental Biology and Cancer Department, University College London Great Ormond Street Institute of Child Health, London, UK.
14 Department of Histopathology, Great Ormond Street Hospital for Children, NHS Foundation Trust, London, UK.
15 Department of Neuropathology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.
16 Department of Paediatric Oncology, Alder Hey Children's NHS Foundation Trust, Liverpool, UK.
17 Division of Haematology/Oncology, Department of Pediatrics, Hospital for Sick Children, Toronto, Ontario, Canada.
18 Department of Laboratory Medicine and Pathobiology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.
19 Department of Paediatric Haematology and Oncology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.