1. Department of Haematology Oslo University Hospital and Institute of Clinical Medicine University of Oslo Oslo Norway
2. Hospital Bory Bratislava Slovakia
3. Masaryk University Brno Czech Republic
4. Katharine Dormandy Haemophilia and Thrombosis Centre Royal Free London London UK
5. Coagulation Disorders Unit, Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Research Program Unit in Systems Oncology University of Helsinki Helsinki Finland
6. National Coagulation Centre St James's Hospital, Dublin, Ireland and Trinity College Dublin Dublin Ireland
7. Haemostasis and Thrombosis Unit, Division of Haematology Cliniques universitaires Saint‐Luc, Catholic University of Louvain (UCLouvain) Louvain Belgium
8. Department of Hematology La Paz University Hospital‐IdiPaz, Autonomous University Madrid Spain
9. UR4609 Hémostase & Thrombose University Lyon 1 Lyon France
10. Regional Reference Centre for Inherited Bleeding Disorders University Hospital of Parma Parma Italy
11. Institute of Experimental Hematology and Transfusion Medicine University Hospital Bonn, Medical Faculty, University of Bonn Bonn Germany