1. Department of Pediatric Hematology and Oncology, University Hospital of Saint-Etienne, Saint-Etienne, France.
2. University of Lyon, Jean Monnet University, INSERM, U1059, Sainbiose, Saint-Etienne, France.
3. Department of Psychiatry, University Hospital of Saint-Etienne, Saint-Etienne, France.
4. Department of Pediatric Hematology and Oncology, University Hospital of Grenoble, Grenoble, France.
5. Department of Clinical Research and University Hospital of Saint-Etienne, Saint-Etienne, France.
6. Department of Public Health and Medical Informatics, University Hospital of Saint-Etienne, Saint-Etienne, France.
7. Department of Pediatric Oncology, Pediatric Hematology and Oncology Institute, Lyon, France.