1. Hematology Branch, National Heart, Lung, and Blood Institute; National Institutes of Health; Bethesda; MD; USA
2. Department of Paediatric Oncology/Haematology; Erasmus MC-Sophia Children's Hospital; Rotterdam; The Netherlands
3. Department of Paediatric Haematology; Hôpital Robert Debré; Paris; France
4. Dutch Childhood Oncology Group (DCOG); The Hague; The Netherlands
5. AML-BFM Study Group; Department of Paediatric Haematology/Oncology; Medical School Hannover; Hannover; Germany
6. Department of Paediatric Haematology/Oncology; 2nd Medical School; Charles University; Prague; Czech Republic
7. Department of Immunology; Erasmus MC; Rotterdam; The Netherlands