1. Institute of Cardiovascular Sciences; College of Medical and Dental Sciences; University of Birmingham; Birmingham UK
2. West Midlands Regional Genetics Laboratory; Birmingham Women's Hospital; Birmingham UK
3. Hull York Medical School; University of Hull; Hull UK
4. Nottingham Haemophilia Centre; Nottingham University Hospital; Nottingham UK
5. Kent Haemophilia Centre; Kent & Canterbury Hospital; Canterbury UK
6. Regional Centre for Paediatric Haematology; Leeds Children's Hospital; Leeds UK
7. Department of Haematology; Lincoln County Hospital; Lincoln UK
8. Department of Haematology; Manchester Royal Infirmary; Manchester UK
9. Comprehensive Care Haemophilia Centre; University Hospitals NHS Foundation Trust; Birmingham UK
10. Department of Haematology; Birmingham Children's Hospital; Birmingham UK
11. Department of Infection, Immunity and Cardiovascular Science; University of Sheffield Medical School; University of Sheffield; Sheffield UK