1. Haematology Department Le Mans Hospital Le Mans France
2. Cellular Haematology, Biology and Pathology Center Lille Regional and University Hospital and INSERM UMR 1172, IRCL Lille France
3. Haematology Clinic Cochin Hospital, APHP Paris France
4. Haematology and Oncology Clinic André Mignot Hospital, Versailles Hospital Versailles France
5. Haematology Clinic Montpellier University Hospital Montpellier France
6. Haematology Department APHP, Sorbonne University, University Hospital La Pitié Salpêtrière‐Charles Foix Paris France
7. Paris Centre University Paris France
8. Haematology Department University of Franche‐Comté, INSERM UMR 1098, Besançon University Hospital Besançon France
9. Haematology Department Lille Regional and University Hospital Lille France
10. Haematology Clinic Valenciennes Hospital Valenciennes France
11. Lymphoid Malignancies Unit APHP, Henri Mondor‐Albert Chennevier Hospital Créteil France
12. Internal Medicine, Infectiology and Blood Diseases Cornouaille Hospital Center Quimper France
13. Haematology and Internal Medicine Clinic Sévigné Vivalto Santé Private Hospital Cesson‐Sévigné France