1. Department of Pediatrics and Perlmutter Cancer Center, NYU Langone Health, New York, NY
2. Bicocca Bioinformatics Biostatistics and Bioimaging Center B4, School of Medicine and Surgery, University of Milano Bicocca, Milan, Italy
3. Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
4. Pediatrics I, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
5. Department of Global Pediatric Medicine, St Jude Children's Research Hospital, Memphis, TN
6. Clinic of Paediatric Haematology and Oncology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
7. Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
8. Department of Pediatric Hematology-Oncology and Stem Cell Transplantation, Ghent University Hospital, Ghent, Belgium
9. Department of Pediatrics and Adolescent Medicine, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
10. Institute of Clinical Medicine, Faculty of Medicine, University of Copenhagen, Denmark
11. Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
12. Schneider Children's Medical Center and Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
13. Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
14. Department of Pediatric Hematology and Oncology, St Anna Children's Hospital, Medical University of Vienna, Vienna, Austria
15. St Anna Children's Cancer Research Institute, Vienna, Austria
16. Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
17. Department of Oncology, St Jude Children's Research Hospital, Memphis, TN
18. Department of Pediatric Hematology and Oncology, 2nd Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic
19. Pediatric Hematology and Oncology, Kinderspital Zurich, Zurich, Switzerland
20. Leukaemia Research Cytogenetics Group, Newcastle University Centre for Cancer, Clinical and Translational Institute, Newcastle University, Newcastle, United Kingdom
21. Department of Woman and Child Health, University of Padua, Padua, Italy
22. Department of Haematology, Great Ormond Street Hospital, London, United Kingdom
23. Biostatistics and Clinical Epidemiology, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy