1. Clinical Haematology Centre Hospitalier de la Côte Basque, Bayonne and Laboratory MRGM University of Bordeaux Bordeaux France
2. Haemophilia Treatment Center CH Le Chesnay Le Chesnay France
3. Haematology Department CHU Antoine Beclère Clamart France
4. Haematology Department CHU Nantes Nantes France
5. Haemophilia Treatment Center CHU Angers Angers France
6. Haemophilia Treatment Center Haematology Department Hautepierre Hospital Strasbourg France
7. Haemostasis Unit‐CRTH CHRU Hôpital Charles Nicolle Rouen France
8. Laboratoire français du Fractionnement et des Biotechnologies (LFB) Les Ulis France
9. Hematology and Transfusion Faculté de Médecine Lille University Hospital Lille 2 University Lille France