1. Biochemistry and Molecular Laboratory LR00SP03 Children's Hospital of Tunis Tunis Tunisia
2. Medical Analysis Laboratory (MauriLab) Nouakchott Mauritania
3. Doctoral School (STVST) of the Faculty of Sciences of Tunis University of Tunis El Manar Tunis Tunisia
4. Pediatric Hemato‐Oncology Department of the National Oncology Center (CNO) Nouakchott Mauritania