1. NHS Blood and Transplant; London UK
2. Barts Health NHS Trust; London London UK
3. Blizard Institute Queen Mary University of London; London UK
4. NHS Blood and Transplant; Cambridge UK
5. Dept of Anaesthesia; Critical Care and Pain Medicine; Royal Infirmary of Edinburgh; Edinburgh UK
6. Serious Hazards of Transfusion Office; Manchester UK
7. Oxford University Hospitals NHS Trust/NHS Blood and Transplant; Oxford UK
8. University of Oxford; London UK
9. Haematology Department; Manchester Royal Infirmary; Manchester UK
10. Department of Hepatology; Barts Health NHS Trust; London UK
11. Scottish National Blood Transfusion Service; Edinburgh UK