1. Department of Pediatrics, Hasbro Children’s Hospital, The Warren Alpert Medical School of Brown University , Providence, Rhode Island , USA
2. Department of Biostatistics, Children’s Oncology Group , Monrovia, California , USA
3. Pediatric Neuro‑Oncology Program, Nationwide Children’s Hospital, The Ohio State University College of Medicine , Columbus, Ohio , USA
4. Department of Pathology and Laboratory Medicine, Nationwide Children’s Hospital, The Ohio State University College of Medicine , Columbus, Ohio , USA
5. Department of Radiology and Medical Imaging, Cincinnati Children’s Hospital Medical Center, Department of Radiology, University of Cincinnati College of Medicine , Cincinnati, Ohio , USA
6. Department of Biostatistics, St. Jude Children’s Research Hospital , Memphis, Tennessee , USA
7. Division of Oncology, Cincinnati Children’s Hospital Medical Center, University of Cincinnati , Cincinnati, Ohio , USA
8. Center for Childhood Cancer Research, Nationwide Children’s Hospital , Columbus, Ohio , USA
9. Division of Molecular & Genomic Pathology, University of Pittsburgh Medical Center , Pittsburgh, Pennsylvania , USA
10. Department of Biomedical Informatics, University of Pittsburgh , Pittsburgh, Pennsylvania , USA
11. Department of Pediatrics, Medical College of Wisconsin , Milwaukee, Wisconsin , USA
12. Department of Radiology, Children’s Hospital Los Angeles, Keck University of Southern California School of Medicine , Los Angeles, California , USA
13. Department of Radiation Oncology, Brigham and Women’s Hospital, Boston Children’s Hospital, Dana-Farber Cancer Institute, Harvard Medical School , Boston, Massachusetts , USA
14. Division of Pediatric Oncology, Department of Pediatrics, The Johns Hopkins University School of Medicine , Baltimore, Maryland , USA
15. Department of Pediatric Oncology, Dana-Farber/Boston Children’s Cancer and Blood Disorders Center, Harvard Medical School , Boston, Massachusetts , USA
16. Department of Pediatric Medicine, St Jude Children’s Research Hospital , Memphis, Tennessee , USA
17. Center for Childhood Cancer Research, Nationwide Children’s Hospital, Columbus, OH, The Ohio State University College of Medicine , Columbus, Ohio , USA
18. Department of Neurosurgery, UPMC Children’s Hospital of Pittsburgh, University of Pittsburgh , Pittsburgh, Pennsylvania , USA