1. Laboratory of Molecular Biology Ambroise Pare Hospital, GHU APHP Paris‐Saclay Boulogne‐Billancourt France
2. UMR1179 Versailles St‐Quentin University Boulogne‐Billancourt France
3. Department of Hematology Hospital Necker‐Enfants Malades, GHU AP‐HP, Centre ‐ Université de Paris Paris France
4. Laboratory of Hematology La Timone Hospital, APHM Marseille France
5. Ressources and Competence Center for Constitutional Bleeding Disorders ‐ CRC‐MHC Nantes University Hospital Nantes France
6. Department of Pediatric Hematology, Immunology, and Oncology La Timone Children's Hospital, APHM Marseille France
7. Ressources and Competence Center for Constitutional Bleeding Disorders ‐ CRC‐MHC Cochin Hospital, GHU AP‐HP, Centre ‐ Université de Paris Paris France
8. Department of Biological Hematology CHU Bordeaux‐GH Pellegrin Bordeaux France
9. Department of Hematology CHU Nord Saint Etienne France
10. Department of Hematology Biology‐Pathology Center CHU Lille France
11. Clinical Haemostasis Unit Louis Pradel Heart Hospital Lyon France