Princess Máxima Center for Pediatric Oncology, Princess Máxima Center for Pediatric Oncology, Newcastle University - Leukaemia Research Cytogenetics Group, University of New South Wales - Children’s Cancer Institute, Karolinska University Hospital - Childhood Cancer Research Unit, University Medical Center Hamburg-Eppendorf - Clinic of Pediatric Hematology and Oncology, Leiden University - Department of Biomedical Data Sciences, Princess Máxima Center for Pediatric Oncology, Erasmus University Rotterdam (EUR) - Department of Immunology, Karolinska Institutet - Department of Molecular Medicine and Surgery, University of Hamburg - Clinic of Pediatric Hematology and Oncology, Great Ormond Street Hospital - Department of Haematology, University of New South Wales - School of Women and Children’s Health, The Children’s Hospital at Westmead - Cancer Centre for Children, Princess Máxima Center for Pediatric Oncology, University of Hamburg - Clinic of Pediatric Hematology and Oncology, University of Copenhagen - Department of Pediatrics and Adolescent Medicine, Newcastle University - Leukaemia Research Cytogenetics Group, Princess Máxima Center for Pediatric Oncology, Princess Máxima Center for Pediatric Oncology and Independent