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