1. Radiation Oncology Department, Centre Eugène Marquis, Avenue Flandres Dunkerque, Rennes, France
2. Pediatric Oncology, Institut de cancérologie de l’Ouest-Paul Papin, Angers, France
3. Radiation Oncology Department, IUCT Oncopole, Toulouse, France
4. Radiation Oncology Department, Hôpital privé Jean Mermoz, Lyon, France
5. Department of Pediatric Oncology, children’s hospital, Toulouse, France
6. Department of Pediatric Oncology IHOPE, Centre Léon Bérard, Lyon, France
7. Radiation Oncology Department, Centre Léon Bérard, Lyon, France