1. Paediatric Oncology Haematology Unit/CEREVANCE/CIC 1401; Inserm CICP; University Hospital of Bordeaux; Paediatric Hospital; Bordeaux France
2. Paediatric Onco-Haematology Unit; Hôpital Trousseau; APHP; Paris France
3. Paediatric Haematology Unit; Hôpital La Timone Enfants - APHM; Marseille France
4. Paediatric Immuno-Haematology Unit; Institut d'Hématologie et d'Oncologie Pédiatrique (IHOP); Lyon France
5. Paediatrics Unit; University Hospital of Grenoble; Grenoble France
6. Paediatrics Unit; University Hospital of Lille; Lille France
7. Paediatric Onco-Haematology Unit; University Hospital of Nice; Nice France
8. Paediatrics Unit; University Hospital Bicêtre - APHP; Le Kremlin-Bicêtre France
9. Haematology Unit; Hôpital Robert Debré - APHP; Paris France
10. Immuno-Haematology Unit; Hôpital Necker - APHP; Paris France
11. Paediatric Onco-Haematology Unit; University Hospital of Tours; Tours France
12. Paediatric Onco-Haematology Unit; University Hospital of Montpellier; Montpellier France
13. Paediatric Onco-Haematology Unit; University Hospital of Nancy; Nancy France
14. Paediatric Onco-Haematology Unit; University Hospital of Strasbourg; Strasbourg France
15. Paediatric Onco-Haematology Unit; University Hospital of Toulouse; Toulouse France
16. Paediatric Onco-Haematology Unit; University Hospital of Angers; Angers France
17. Paediatric Onco-Haematology Unit; University Hospital of Limoges; Limoges France
18. Paediatric Unit; General Hospital of Quimper; Quimper France
19. Paediatric Onco-Haematology Unit; University Hospital of Rennes; Rennes France
20. Paediatric Onco-Haematology Unit; University Hospital of Rouen; Rouen France
21. Department of Internal Medicine; Henri Mondor University Hospital; APHP; Université Paris-Est Créteil; Créteil France