1. Department of Hematology and University Paris Diderot, Institut Universitaire d’Hématologie, EA-3518, University Hospital Saint-Louis, Assistance Publique Hôpitaux de Paris, Paris, France;
2. Department of Hematology, University Institute of Cancer, Toulouse, France;
3. Department of Hematology, University Hospital Henri Mondor, AP-HP, Créteil, France;
4. Department of Hematology, University Hospital, Bordeaux, France;
5. Department of Hematology, University Paris Descartes Sorbonne Cité, Institut Necker-Enfants Malades, INSERM U1151, and Onco-Hematology Laboratory, Assistance Publique Hôpitaux de Paris, Hôpital Necker-Enfants Malades, Paris, France;
6. Department of Hematology, Hospital Lyon Sud, Pierre Bénite, France;
7. Department of Hematology, University Hospital, Nantes, France;
8. Department of Hematology, University Hospital Pitié-Salpêtrière, Assistance Publique Hôpitaux de Paris, Paris, France;
9. Department of Hematology, University Hospital, Lille, France;
10. Department of Hematology, Institut Gustave Roussy, Villejuif, France;
11. Department of Hematology, University Hospital, Montpellier, France;
12. Department of Hematology, University Hospital, Rennes, France;
13. Department of Hematology, University Hospital, Caen, France;
14. Department of Hematology, University Hospital, Yvoir, Belgium;
15. Division of Hematology, Department of Medical Specialties, University Hospital, Geneva, and Faculty of Medicine, University of Geneva Switzerland and Swiss Group for Clinical Cancer Research, Bern, Switzerland;
16. Department of Hematology, Institut Paoli Calmettes, Marseille, France;
17. Division of Hematology, University Hospital of Zurich, Zurich, Switzerland;
18. Group for Research on Adult Acute Lymphoblastic Leukemia, Coordination Office, Pierre Bénite, France;
19. Department of Hematology, University Hospital, Grenoble, France; and
20. Department of Hematology and INSERM U 892/CNRS 6299, University Hospital, Angers, France