Division of Oncology, Children’s Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA. Electronic address: fosterjb@chop.edu.

Department of Pediatrics, Program of Solid Tumors, University Clinic of Navarra, Center for the Applied Medical Research (CIMA), Pamplona, Spain.

Lillian S. Wells Department of Neurosurgery, Preston A. Wells Jr. Center for Brain Tumor Therapy, University of Florida, Gainesville, FL USA.

Cancer and Blood Disease Institute, Children’s Hospital Los Angeles, Keck School of Medicine of University of Southern California, Los Angeles, CA, United States.

Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia; Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia.

Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia; Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia; Mark Hughes Foundation Centre for Brain Cancer Research, Paediatric Program, College of Health, Medicine & Wellbeing, University of Newcastle, Callaghan, NSW, Australia.

Division of Oncology, Children’s Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA.

Department of Neurology, Department of Neurosurgery and Department of Pediatrics, UCSF, San Francisco, California, USA.

Ben Towne Center for Childhood Cancer Research, Seattle Children’s Research Institute, Seattle, WA, USA; Department of Pediatrics, Seattle Children’s Hospital, University of Washington, Seattle, WA, USA.

Princess Maxima Center for Pediatric Oncology, Utrecht, The Netherlands.