1. Pediatric Department; Pediatric Oncology Unit, CHU Gabriel Touré; Bamako Mali
2. Pediatric Ophtalmology Department; Institute of African Tropical Ophthalmology; Bamako Mali
3. Histopathology Department, CHU Point G; Bamako Mali
4. Radiation Therapy Department, Hôpital du Mali; Bamako Mali
5. Pediatric Oncology Department; Institut Curie; Paris France
6. Sanofi Espoir Foundation; Sanofi Espoir Foundation; Paris France
7. Pediatric Unit; Assistance Publique Hopitaux de Marseille, Aix-Marseille University; Marseille France
8. Pediatric Oncology Department; CHU Mohammed VI; Marrakech Morrocco
9. Pediatric Oncology Department; Centre SIREDO (Soins, Innovation, Recherche en oncologie de l'enfant, l'adolescent et l'adulte jeune); Institut Curie et Université Paris-Descartes; Paris France