1. Université Paris Descartes Sorbonne Cité; Institut Necker-Enfants Malades (INEM); Institut national de recherche médicale (INSERM) U1151; Paris France
2. Laboratory of Onco-Haematology; Assistance Publique-Hôpitaux de Paris (AP-HP); Hôpital Necker Enfants-Malades; Paris France
3. Department of Haematology; University Hospital and INSERM UMR 917; Rennes 1 University; Rennes France
4. Department of Paediatric Haematology; University Hospital; Nancy France
5. Genetics Laboratory; University Hospital; Nancy France