1. Haemophilia Centre; Royal Victoria Infirmary; Newcastle upon Tyne UK
2. Department of Haematology; Derby Hospitals NHS Foundation Trust; Derby UK
3. Haemophilia Centre; Royal Cornwall Hospitals NHS Trust; Truro UK
4. Haemophilia Centre; Guys and St. Thomas' NHS Foundation Trust; London UK
5. Katharine Dormandy Haemophilia and Thrombosis Centre; Royal Free Hospital; London UK
6. Institute of Translational Medicine; University of Liverpool; Liverpool UK
7. Haemophilia Centre; Churchill Hospital; Oxford UK
8. Haemophilia Centre; Queen Elizabeth Hospital Birmingham; Birmingham UK
9. Haemophilia Centre; Manchester Royal Infirmary; Manchester UK