1. Nantes Université, Inserm UMR 1307, CNRS UMR 6075, Université d’Angers, CRCI2NA, F-44007 Nantes, France
2. Paediatric Haematology and Oncology Nantes University Hospital, 44093 Nantes, France
3. Haematology Department, Nantes University Hospital, 44093 Nantes, France
4. Haematology Biology Department, Nantes University Hospital, 44093 Nantes, France