1. 2nd Faculty of Medicine, Dept. Pediatric Hem/Onc, CLIP, Charles University, Hospital Motol, Prague, Czech Republic
2. Dept. Pediatric Hem/Onc, Charles University, Hospital Motol, Prague, Czech Republic
3. CLIP-DPHO, Charles University, Hospital Motol, Prague, Czech Republic
4. CLIP, Dept. Pediatric Hem/Onc, Charles University, Hospital Motol, Prague, Czech Republic
5. Christian-Albrechts-Univ. Kiel, Univ.Med.Center, Kiel, Germany
6. Department of Pediatric Hematology, Oncology and Transplantology, University of Medical Sciences, Poznan, Poznan, Poland
7. Northern Institute for Cancer Research, Newcastle upon Tyne, United Kingdom
8. Oncology, St. Jude Children's Research Hospital, Memphis, TN
9. Department of Pediatrics and Adolescent Medicine,The Juliane Marie Centre, Rigshospitalet, Copenhagen University Hospital and University of Copenhagen, Copenhagen, Denmark
10. Immunology and Rheumatology, Hospital Nacional de Pediatría Prof. Dr. J. P. Garrahan, Buenos Aires, Argentina
11. Hematology and Oncology, Hospital Nacional de Pediatria Prof. Dr. J. P. Garrahan, Buenos Aires, Argentina
12. Sydney Children's Hospital Network, NSW, Westmead, Australia
13. Flow Cytometry Unit, Institute of Clinical Pathology and Medical Research, Westmead Hospital, Sydney, Australia
14. Department of Pediatrics, Medical University of Vienna, St. Anna Children's Hospital and Children's Cancer Research Institute, Vienna, Austria
15. Christian-Albrechts-Univ., Univ.Med.Center, Kiel, Germany
16. Department of Pediatric Hematology Oncology, Hosp Roberto del Rio/Universidad de Chile, Santiago, Chile
17. Dept. of Medicine, H Del Salvador, Santiago, Chile
18. Hosp del Salvador/Universidad de Chile, Santiago, Chile
19. Pediatric Hematology Oncology, Schneider Children's Medical Center, Petah-Tikva, Israel
20. Cancer Research Center, Sheba Medical Center, Ramat Gan, Israel
21. Dutch Childhood Oncology Group, The Hague, Netherlands
22. Commenius Univ. Children's Hospital, Bratislava, Slovakia
23. Comenius University Children's Hospital, Bratislava, Slovakia
24. Regional Oncologic Hospital, Kiev, Ukraine
25. Nottingham University Hospitals NHS Trust, Nottingham, United Kingdom
26. Department of Pediatric Hematology/Oncology, Athens, Greece
27. Bone Marrow Transplantation Center, National Cancer Institute (INCA), Rio de Janeiro, Brazil
28. Dept. Clinical Immunology, University Hospital (Rigshospitalet), Copenhagen, Denmark
29. First Department of Pediatrics, University of Athens, Athens, Greece
30. HELIOS Klinikum Berlin-Buch, Berlin, Germany
31. AML-BFM Study Group, Pediatric Hematology/Oncology, University Children's Hospital Essen, Essen, Germany
32. St. Jude Children's Research Hospital, Memphis,
33. Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, United Kingdom
34. Dept. of Pediatrics, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
35. Pediatric Hematology and Oncology, University Hospital Motol, Prague, Czech Republic