1. University Department of Haematology; Manchester Royal Infirmary; Manchester UK
2. UK National Haemophilia Database; Manchester UK
3. Institute of Cancer Sciences; Faculty of Biology, Medicine and Health; The University of Manchester; Manchester UK
4. Haemophilia Comprehensive Care Centre; The School of Medicine; University of Cardiff; Cardiff UK
5. The Haemophilia Centre; Great Ormond Street Hospital; London UK
6. Thrombosis and Haemostasis Centre; Guys and St Thomas’ Hospital; London UJ
7. MDSAS Ltd; Manchester UK