1. NHS Blood and TransplantLondon, Barts Health NHS TrustLondon and Blizard InstituteQueen Mary University of London London UK
2. Faculty of Biology, Medicine and Health University of Manchester and Serious Hazards of Transfusion OfficeManchester Blood Centre Manchester UK
3. Departmentt of Anaesthesia Critical Care and Pain Medicine Royal Infirmary of Edinburgh Edinburgh UK
4. NHS Blood and Transplant/HaematologyUniversity of CambridgeCambridge Biomedical Campus Cambridge UK
5. Department of Hepatology Barts Health NHS Trust and Blizard InstituteQueen Mary University of London London UK
6. Oxford University Hospitals NHS Trust/NHS Blood and Transplant, University of Oxford Oxford UK
7. Haematology Department Manchester Royal Infirmary Manchester UK
8. Scottish National Blood Transfusion Service Edinburgh UK