1. 1Division of Oncology, Department of Pediatrics, Children's Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania.
2. 2Division of Neurosurgery, Center for Data-Driven Discovery in Biomedicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
3. 3Department of Hematology and Oncology, Children's National Hospital, Washington, DC.
4. 4Center for Genetic Medicine Research, Children's National Hospital, Washington, DC.
5. 5Institute for Biomedical Sciences, The George Washington University School of Medicine and Health Sciences, Washington, DC.
6. 6Department of Neurological Surgery, University of California, San Francisco, California.
7. 7Department of Neuroscience, University of California, San Diego, California.
8. 8Rady Children's Hospital San Diego, San Diego, California.
9. 9Department of Pediatrics, University of California, San Francisco, California.
10. 10Center for Neuroscience and Behavioral Medicine, Children's National Hospital, Washington, DC.
11. 11Department of Radiology and Biomedical Imaging, University of California, San Francisco, California.
12. 12Department of Epidemiology and Biostatistics, University of California, San Francisco, California.
13. 13Department of Neurology, University of California, San Francisco, California.
14. 14Department of Bioinformatics and Health Informatics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
15. 15College of Pharmacy, University of Texas Health Science Center, San Antonio, Texas.
16. 16Translational Genomic Research Institute (TGEN), Phoenix, Arizona.
17. 17Centre for Molecular Medicine Norway (NCMM), Nordic EMBL Partnership, University of Oslo and Oslo University Hospital, Oslo, Norway.
18. 18Division of Pediatric and Adolescent Medicine, Department of Pediatric Research, Rikshospitalet, Oslo University Hospital, Oslo, Norway.
19. 19Department of Oncology, University Children's Hospital Zürich, Zürich, Switzerland.