1. Pediatric Oncology/Hematology, Erasmus MC–Sophia Children’s Hospital Rotterdam, Rotterdam, The Netherlands;
2. Department of Pediatric Hematology/Oncology, Medical School Hannover, Hannover, Germany;
3. Acute Myeloid Leukemia-Berlin-Frankfurt-Münster Study Group, Pediatric Hematology and Oncology, Essen, Germany;
4. Department of Cytogenetics, Saint Louis Hospital, Paris, France;
5. Women and Children’s Health, Hematology-Oncology Laboratory, University of Padova, Padova, Italy;
6. Fred Hutchinson Cancer Research Center, Seattle, WA;
7. Children's Oncology Group, Monrovia, CA;
8. Division of Leukemia and Lymphoma, Children’s Cancer Center, National Center for Child Health and Development, Tokyo, Japan;
9. Department of Pediatric Hematology and Oncology, Istituto di Ricovero e Cura a Carattere Scientifico, Ospedale Pediatrico Bambino Gesù, Rome, Italy;
10. Department of Pediatric Sciences, University of Pavia, Pavia, Italy;
11. Department of Oncology and
12. Department of Pathology, St. Jude Children’s Research Hospital, Memphis, TN;
13. Dutch Childhood Oncology Group, The Hague, The Netherlands;
14. Department of Pediatrics and Adolescent Medicine, Queen Mary Hospital, University of Hong Kong, Hong Kong;
15. Department of Pediatrics, Children’s Cancer Research Institute and St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria;
16. Czech Pediatric Hematology/Oncology, University Hospital Motol and Charles University, Prague, Czech Republic;
17. Nordic Society for Pediatric Hematology and Oncology, Department of Pediatrics, Institution for Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden;
18. Pediatric Hemato-Oncology Department, Ruth Rappaport Children's Hospital, Rambam Health Care Campus, Haifa, Israel;
19. Department of Pediatric Oncology and Hematology, Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland;
20. Department of Pediatric Hematology-Oncology and Stem Cell Transplantation, Ghent University Hospital, Ghent, Belgium;
21. Pediatrics and Adolescent Medicine, Aarhus University Hospital, Aarhus, Denmark;
22. Department of Pediatrics, Seattle Children's Hospital, University of Washington, Seattle, WA; and
23. Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands