1. UMR U1236 INSERM Etablissement Français du Sang (EFS) de Bretagne LabEx IGO Université de Rennes 1 Rennes France
2. French Germinal Center Club French Society for Immunology (SFI) Paris France
3. Division of Molecular Immunology Department of Internal Medicine III University Hospital Erlangen Friedrich‐Alexander‐University Erlangen‐Nuernberg Erlangen Germany
4. Université de Paris Institut de Recherche Saint Louis Inserm U1160 EMiLy Paris 75010 France
5. The Organization for Partnerships in Leukemia OPALE Carnot Institute Hôpital Saint‐Louis Paris France