1. Department of Pediatrics, Children Hematology and Oncology Unit University Hospital of Fort‐de France Martinique France
2. EpiCliV Research Unit, University of the French West Indies Martinique University Hospital Fort‐de France France
3. Department of Pediatric and Adolescent Oncology Gustave‐Roussy, Université Paris‐Saclay Villejuif France
4. Department of Pediatric Surgery Hôpital Necker Enfants Malades‐Université de Paris Cité Paris France
5. French National Registry of Childhood Cancer National Registry of Childhood Solid Tumors CHRU Nancy Vandoeuvre‐les‐Nancy France