1. Haemostasis Research Unit University College London London U.K
2. Department of Haematology Sullivan Nicolaides Pathology Bowen Hills QLD Australia
3. Department of Haematology Erasmus Medical Centre Rotterdam Rotterdam The Netherlands
4. Department of Hematology and Blood Transfusion School of Allied Medicine Iran University of Medical Sciences Tehran Iran
5. Centro Nacional de Hemofilia Banco Municipal de Sangre del Distrito Capital Caracas Venezuela
6. Thrombosis and Hemostasis Center University of California, Davis Health System Sacramento CA USA
7. Department of Hematology/Clinical Laboratory Iwate Prefectural Chubu Hospital Kitakami Japan
8. Sheffield Haemophilia and Thrombosis Centre Royal Hallamshire Hospital Sheffield U.K