1. Department of Hematology Indiana Hemophilia and Thrombosis Center Indianapolis INUSA
2. University of Pittsburgh and the Hemophilia Center of Western Pennsylvania Pittsburgh PAUSA
3. Department of Pediatrics and Human Development Michigan State University East Lansing MI USA
4. Institut for Experimental Haematologie und Transfusionsmed Universitaetsklinikum Bonn Bonn Germany
5. Department of Hematology Christian Medical College Vellore India
6. Orthopedic Hemophilia Treatment Center Orthopedic Institute for Children Los Angeles CA USA
7. Barts and the London Comprehensive Care Centre London UK
8. Department of Hematology Ogikubo Hospital Suginami‐Ku Tokyo Japan
9. Universitätsklinik für Innere Medizin I Medizinische Universität Wien Wien Austria
10. Haemophilia Comprehensive Care Centre Faculty of Health Sciences University of the Witwatersrand and NHLS Johannesburg South Africa
11. Penn Comprehensive Hemostasis and Thrombosis Program Hospital of the University of Pennsylvania Philadelphia PA USA
12. Department of Pathology & Molecular Medicine Queen's University Kingston Ontario Canada
13. Biogen Idec Cambridge MA USA