1. 1Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Université de Paris Cité, Paris, France
2. 2Institut Necker-Enfants Malades, INSERM U1151, Paris, France
3. 3Department of Pediatric Hematology and Oncology, Assistance Publique-Hôpitaux de Paris, Armand Trousseau Hospital, Sorbonne Université, Paris, France
4. 4Department of Hematology, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, Université de Paris Cité, Paris, France
5. 5Institut Cochin, INSERM U1016, Paris, France
6. 6Hospices Civils de Lyon, Service d'Hématologie Clinique, Centre Hospitalier Lyon-Sud, Pierre-Bénite, France
7. 7CHU UCLouvain Namur-Godinne, service d’Hématologie, Yvoir, Belgium
8. 8Laboratory of Hematology, CHRU Lille, Lille, France
9. 9INSERM U1172, Lille, France
10. 10Laboratory of Hematology and EA3518, Saint-Louis University Hospital, Université de Paris Cité, Paris, France
11. 11Department of Hematology, CHRU-Institut Universitaire de Cancer Toulouse-Oncopole, Toulouse, France
12. 12Division of Hematology, Department of Oncology, University Hospital of Geneva and Faculty of Medicine, University of Geneva, Geneva, Switzerland
13. 13Swiss Group for Clinical Cancer Research, Bern, Switzerland
14. 14Hematology Biology, Nantes University Hospital and Nantes-Angers Cancer and Immunology Research Center, Nantes, France
15. 15Department of Pediatric Hematology and Oncology, University Hospital of Rennes, Rennes, France
16. 16Department of Hematology, Centre Hospitalier de Versailles, Le Chesnay, France
17. 17Université Paris-Saclay, Communauté Paris-Saclay, France
18. 18Department of Pediatric Hematology and Immunology, Assistance Publique-Hôpitaux de Paris, Robert Debré Hospital, Université de Paris Cité, Paris, France
19. 19Department of Hematology, INSERM U1163, IMAGINE Institute, Paris University, Necker Hospital, Paris, France
20. 20Université Paris Cité, Institut de Recherche Saint-Louis, URP-3518, Publique-Hôpitaux de Paris, Saint-Louis University Hospital, Paris, France