1. Department of Pediatric; Adolescent; Young Adults; Institut Curie; Paris France
2. Unité de Génétique somatique; Institut Curie; Paris France
3. Département de pathologie; Institut Curie; Paris France
4. Hematology-Oncology Unit; Hôpital Universitaire des Enfants Reine Fabiola; ULB Université libre de Bruxelles; Brussels Belgium
5. Department of Pediatric Hematology-Oncology; CHU Hautepierre; Strasbourg France
6. Department of Pediatric Hematology-Oncology; Hôpital de Grenoble; Grenoble France
7. Head and Neck Surgery Department; Centre Oscar Lambret; Lille France
8. CHU Sainte Justine; University of Montreal; Montreal Canada
9. Department of Medical Oncology; Institut Bergonié; Bordeaux France
10. Pediatric Oncology Department; Centre Hospitalier Universitaire Poitiers; Poitiers France
11. Medical Oncology Department; Institut Curie; Paris France
12. INSERM U900 Research unit; Saint-Cloud France
13. Department of Pediatric Hematology and Oncology; Assistance Publique - Hôpitaux de Paris; Hôpital Armand Trousseau; Paris France
14. Department of Pediatric Hematology-Oncology; Hôpital d'Enfants de Brabois; Vandoeuvre Les Nancy France
15. Population-Based Epidemiological Cohorts Unit; INSERM UMS 11; Villejuif France
16. French Pediatric Rare Tumor Group (groupe Fracture)