1. Hematology LaboratoryAPHP Pitié‐Salpêtrière Hospital and Sorbonne Université Paris France
2. Department of NeurologyAPHP Pitié‐Salpêtrière, Hospital and Sorbonne Université Paris France
3. Department of HematologyAPHP Pitié‐Salpêtrière, Hospital and Sorbonne Université Paris France
4. Hematology Immunology and Transfusion LaboratoryAPHP Hopital Ambroise Paré Boulogne Billancourt France
5. Department of HematologyHôpital René Huguenin, Institut Curie Saint‐Cloud France