1. Centre for Haematology, Imperial College London London UK
2. NI Haemophilia Comprehensive Care Centre Belfast City Hospital Belfast UK
3. Liverpool Hospital Liverpool UK
4. Haemophilia Centre and Thrombosis Unit Royal Free London NHS Foundation Trust London UK
5. Royal Victoria Infirmary Newcastle UK
6. Sheffield Royal Hallamshire Sheffield UK
7. Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences Royal College of Surgeons in Ireland Dublin UK
8. National Coagulation Centre St James's Hospital Dublin UK