1. Haemophilia Centre and Thrombosis Unit Royal Free London NHS Foundation Trust London
2. Haemophilia Thrombosis and Immunology Centre Royal Infirmary NHS Lothian Edinburgh
3. Haemophilia and Thrombosis Centre Oxford University Hospitals NHS Foundation Trust Oxford
4. Haemophilia Comprehensive Care Centre Royal Victoria Infirmary Newcastle‐upon‐Tyne Hospitals NHS Foundation Trust Newcastle‐upon‐Tyne
5. UK NEQAS for Blood Coagulation Sheffield Teaching Hospitals NHS Foundation Trust Sheffield
6. Haemophilia Comprehensive Care Centre Queen Elizabeth Hospital University Hospitals Birmingham NHS Foundation Trust BirminghamUK
7. Haemophilia Centre The Royal London Hospital Barts Health NHS Trust London UK