1. CESP, Université Paris‐Saclay Villejuif France
2. CESP, INSERM U 1018, Cancer and Radiation teamGustave Roussy Villejuif France
3. Department of Childhood and Adolescent OncologyGustave Roussy Villejuif France
4. Institut de Cancérologie de l'Ouest ICO Centre René Gauducheau Saint‐Herblain (Nantes) France
5. Centre Hospitalier de Gonesse Gonesse France
6. Institut Curie Paris France
7. Departement of RadiotherapyGustave Roussy Villejuif France
8. Department of Pediatric EndocrinologyAP‐HP Hôpitaux Paris‐Sud Le Kremlin Bicêtre France
9. Institut Jean Godinot Reims France
10. Centre Antoine Lacassagne Nice France
11. Centre Claudius Régaud Toulouse France