1. Department of Pediatric Hematology and Oncology, Erasmus MC - Sophia Children's Hospital, Rotterdam, The Netherlands
2. Department of Pediatric Oncology, Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
3. Department of Pathology, Ann and Robert H. Lurie Children's Hospital of Chicago, Northwestern University's Feinberg School of Medicine and Robert H. Lurie Cancer Center, Chicago, IL, USA
4. Office of Cancer Genomics, National Cancer Institute, Bethesda, MD, USA
5. Genetics Branch, Oncogenomics section, National Cancer Institute, Bethesda, MD, USA
6. Computational Genomics Research Group, Center for Biomedical Informatics and Information Technology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
7. Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
8. Department of Pathology, Josephine Nefkens Institute, Erasmus MC, Rotterdam, The Netherlands
9. Department of Pathology, Reinier de Graaf Hospital, Delft, The Netherlands
10. Cancer Therapy Evaluation Program, National Cancer Institute, Bethesda, MD, USA
11. Department of Pathology and Laboratory Medicine, Nationwide Children's Hospital, Ohio State University College of Medicine, Columbus, OH, USA