1. Department of Hematology, AP‐HP Sorbonne Université, Pitié‐ Salpêtrière Hospital Paris France
2. Department of Hematology CHU de Rennes Rennes France
3. Department of Epidemiology, Biostatistics and Clinical Research, AP‐HP Sorbonne Université, Pitié‐Salpêtrière Hospital Paris France
4. Department of Immunochemistry, AP‐HP Sorbonne Université, Pitié‐Salpêtrière Hospital Paris France
5. Department of Hematology Groupe Hospitalier mutualiste de Grenoble Grenoble France
6. Department of Neurophysiology, AP‐HP Sorbonne Université, Pitié‐ Salpêtrière Hospital Paris France