1. Department of Paediatric Haematology-Oncology; APHM; Aix Marseille Université; Marseille France
2. Department of Public Epidemiology and Health Economics and Chronic Diseases and Quality of Life Research Unit (EA3279); APHM; Aix Marseille Université; SPMC EA3279; Marseille France
3. Department of Paediatric Haematology-Oncology; University Hospital of Nancy; Nancy France
4. Department of Paediatric Haematology-Oncology; University Hospital of Nice; Nice France
5. Department of Paediatric Haematology-Oncology; CIC Inserm 501; University Hospital of Clermont Ferrand; Clermont Ferrand France
6. Department of Paediatric Haematology-Oncology; University Hospital of Lyon; Lyon France
7. Department of Paediatric Haematology-Oncology; University Hospital of Grenoble; Grenoble France
8. Department of Paediatric Haematology-Oncology; University Hospital of Montpellier; Montpellier France