1. Paediatric Haematology‐Oncology and Stem Cell Transplantation Ghent University Hospital GhentBelgium
2. Department of Diagnostic Sciences Ghent University GhentBelgium
3. EORTC Headquarters BrusselsBelgium
4. Department of Paediatric Haematology‐Oncology Children's University Hospital Queen FabiolaUniversité Libre de Bruxelles BrusselsBelgium
5. Cancer Research Institute Ghent GhentBelgium
6. Center for Medical Genetics Ghent University Hospital Ghent Belgium
7. Department of Paediatric Haematology‐Oncology Centre Hospitalo‐Universitaire de Lille LilleFrance
8. Department of Paediatric Haematology‐Oncology Centre Hospitalo‐Universitaire de Montpellier MontpellierFrance
9. University Montpellier Montpellier France
10. Paediatric Department Instituto Português de Oncologia Porto Portugal
11. Department of Paediatric Haematology Hôpital Robert DebréAP‐HP ParisFrance
12. Department of Paediatric Haematology and Oncology Centre Hospitalo‐Universitaire de Strasbourg Strasbourg France
13. Department of Paediatric Haematology‐Oncology University Hospital Gasthuisberg Leuven Belgium
14. Department of Paediatric Oncology University Hospital GrenobleFrance
15. Department of Paediatric Haematology‐Oncology Centre Hospitalo‐Universitaire, Hopital Purpan ToulouseFrance
16. Service Hématologie Oncologie Pédiatrique Centre Hospitalier Régional Universitaire de Besançon BesançonFrance
17. Paediatric Oncology Unit University Hospital PoitiersFrance
18. Department of Paediatric Haematology‐Oncology Centre Hospitalo‐Universitaire de Nice Nice France
19. Department of Paediatrics Universitair Ziekenhuis Brussel BrusselsBelgium
20. Service Universitaire d'Hémato‐Oncologie Pédiatrique Liégeois (SUHOPL)CHR Citadelle Liège Belgium
21. Department of Paediatric Haematology‐Oncology Centre Hospitalo‐Universitaire de Caen CaenFrance
22. Laboratory of Haematology Institute of Paediatric Haematology and Oncology (IHOP)Hospices Civils de Lyon LyonFrance
23. Département de Génétique Assistance Publique des Hôpitaux de Paris (AP‐HP)Hôpital Robert Debré ParisFrance
24. INSERM UMR_S1131 Institut de Recherche Saint‐LouisUniversité Paris Diderot ParisFrance
25. Institute of Paediatric Haematology and Oncology (IHOP) Haematology UnitHospices Civils de Lyon and Claude Bernard University Lyon France