1. Royal London Hospital Haemophilia Centre Barts Health NHS Trust London UK
2. Haemostasis Laboratory University Hospitals Birmingham NHS Foundation Trust Birmingham UK
3. Haemophilia Unit University Hospitals Birmingham NHS Foundation Trust Birmingham UK
4. Department of Haematology Barts Health NHS Trust London UK
5. NHS East and South East London Pathology Partnership Barts Health NHS Trust London UK
6. Wolfson Institute of Population Health Queen Mary University of London London UK