1. Centre for Thrombosis and Hemostasis, Skåne University Hospital Malmö; Malmö; Sweden
2. Department of Cardiovascular Science; University of Sheffield, Royal Hallamshire Hospital; Sheffield; UK
3. Van Creveldkliniek and Hematology University Medical Center Utrecht; Utrecht; The Netherlands
4. National Haemophilia Centre and Haemostasis Department; State Health Centre; Budapest; Hungary
5. Haemophilia Centre, AP-HP Bicêtre Hospital, Paris-XI University; Le Kremlin-Bicêtre; Paris; France
6. Institute of Experimental Hematology and Transfusion Medicine, University Clinic; Bonn; Germany
7. Kings College London School of Medicine; London; UK