1. Directorate of Epidemiology and Disease Control Rabat Morocco
2. Pediatric Hematology and Oncology Unit 2O August Hospital Casablanca, Moroccan Society of Pediatric Hematology and Oncology Casablanca Morocco
3. Pediatric Hematology and Oncology Unit of Fès Moroccan Society of Pediatric Hematology and Oncology Fès Morocco
4. Pediatric Hematology and Oncology Department of Rabat Moroccan Society of Pediatric Hematology and Oncology Rabat Morocco
5. Pediatric Hematology and Oncology Unit at Abderrahim El Harouchi Hospital Casablanca Moroccan Society of Pediatric Hematology and Oncology Casablanca Morocco
6. Pediatric Hematology and Oncology Department of Marrakech Moroccan Society of Pediatric Hematology and Oncology Marrakech Morocco
7. Pediatric Hematology and Oncology Department of Oujda Moroccan Society of Pediatric Hematology and Oncology Oujda Morocco
8. Lalla Salma Foundation ‐ Cancer Prevention and Treatment Rabat Morocco
9. The Hospital for Sick Children University of Toronto Toronto Ontario Canada
10. Francophone African Group of Pediatric Oncology, Gustave Roussy Institut Villejuif France
11. University Hospital Center of Tangier Tangier Morocco