1. EA 7323; Université Paris Descartes Sorbonne Paris Cité; Paris France
2. Clinical Pharmacology Department; Cochin Hospital; Paris France
3. CIC-1419 Inserm; Cochin-Necker; Paris France
4. URC; Tarnier Hospital; France
5. Department of Children and Adolescents Oncology; Gustave Roussy; Villejuif France
6. Paris-Saclay University; CESP; INSERM; Villejuif France
7. Medical Oncology Department; Institut Curie; Paris France
8. Pediatric Oncology Department; Mother-Children Hospital; Nantes France
9. Pediatric Oncology Department; La Timone Children's Hospital; Marseille France
10. Pediatric Oncology Department; Institute of Pediatric Hematology and Oncology-Léon Bérard Anticancer Center; Lyon France
11. Oncology Department; Institut Curie; Paris France
12. Pediatric Hemato-Oncology Department; University Hospital; Rouen France
13. Pediatric Oncology Department; CHU Hautepierre; Strasbourg France
14. CIC-1402 INSERM; Poitiers France
15. Department of Pediatric Hemato-Oncology; University Hospital; Rennes France
16. Pediatric Department; The Child and Family Hospital; University Hospital; Grenoble France
17. Pediatric Oncology Unit; Centre Oscar Lambret; Lille France
18. Biostatistics Unit; Gustave Roussy; Villejuif France
19. UNICANCER Sarcoma Group; Paris France