1. Department of Haematology, University College London Hospital (UCLH), London, United Kingdom;
2. Haemostasis Research Unit, University College London (UCL), London, United Kingdom;
3. Haemophilia Comprehensive Care Centre, Great Ormond Street Hospital, London, United Kingdom;
4. Bristol Haemophilia Centre, University Hospitals Bristol Foundation Trust, Bristol, United Kingdom;
5. Department of Haematology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom;
6. Roald Dahl Haemostasis and Thrombosis Centre, Royal Liverpool University Hospital, Liverpool, United Kingdom;
7. Department of Haematology, Addenbrookes Hospital, Cambridge, United Kingdom;
8. Department of Haematology, University Hospitals of Leicester, Leicester, United Kingdom;
9. Department of Haematology, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle, United Kingdom;
10. Department of Haematology, Aberdeen Royal Infirmary, Aberdeen, United Kingdom;
11. Centre for Haematology, Imperial College London, London, United Kingdom;
12. Department of Haematology, Cardiff and Vale University Health Board, Cardiff, United Kingdom;
13. Department of Haematology, Queen Alexandra Hospital, Portsmouth, United Kingdom;
14. Department of Haematology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom;
15. Department of Haematology, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom;
16. Department of Haematology, Milton Keynes University Hospital, Milton Keynes, United Kingdom;
17. Department of Haematology, Birmingham Women’s and Children’s Hospital, Birmingham, United Kingdom;
18. Oxford Haemophilia and Thrombosis Comprehensive Care Centre, Oxford University Hospitals, Oxford, United Kingdom;
19. Department of Haematology, Royal Infirmary of Edinburgh, Edinburgh, United Kingdom;
20. Department of Haematology, James Cook University Hospital, Middlesborough, United Kingdom;
21. Department of Haemostasis and Thrombosis, Guy’s and St. Thomas’ Hospital, London, United Kingdom;
22. Department of Paediatric Haemophilia and Thrombosis, Evelina London Children’s Hospital, London, United Kingdom;
23. Department of Haematology, Norfolk and Norwich University Hospital, Norwich, United Kingdom; and
24. National Institute for Health Research Cardiometabolic Programme, UCLH/UCL Biomedical Research Centre (BRC), London, United Kingdom