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