1. 1Department of Pediatric Oncology, Dana-Farber Boston Children's Cancer and Blood Disorders Center, Boston, Massachusetts.
2. 2Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, Massachusetts.
3. 3Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts.
4. 4Department of Medicine, Harvard Medical School, Boston, Massachusetts.
5. 5Center for Neuropathology, Ludwig Maximilian University of Munich, Munich, Germany.
6. 6Department of Pathology, Stanford University, Stanford, California.
7. 7Department of Neurology, Stanford University School of Medicine, Stanford, California.
8. 8Department of Neurosurgery, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
9. 9Department of Pediatrics, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
10. 10Merck Research Laboratories, Cambridge, Massachusetts.
11. 11Division of Newborn Medicine and Epigenetics Program, Department of Medicine, Boston Children's Hospital, Boston, Massachusetts.
12. 12Department of Neurosurgery and Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, Texas.
13. 13Lurie Family Imaging Center, Center for Biomedical Imaging in Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts.
14. 14Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.
15. 15Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.
16. 16Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts.
17. 17Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts.
18. 18Department of Microbiology and Immunobiology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts.
19. 19Department of Neurology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts.
20. 20Department of Pathology and Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.
21. 21Klarman Cell Observatory, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, Massachusetts.
22. 22Developmental Tumor Biology Laboratory, Hospital Sant Joan de Déu, Esplugues de Llobregat, Barcelona, Spain.
23. 23Department of Pathology, Dana-Farber Cancer Institute, Boston, Massachusetts.
24. 24Department of Pathology, Boston Children's Hospital, Boston, Massachusetts.
25. 25Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts.
26. 26Ludwig Institute for Cancer Research, Oxford Branch, Oxford University, Oxford, United Kingdom.
27. 27Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, California.