1 Department of Haematology, Guy's and St Thomas' NHS Foundation Trust, London, UK.
2 Diagnostic and Therapeutic Services, NHS Blood and Transplant (NHSBT), Birmingham, UK.
3 Department Anaesthesia, Belfast Health and Social Care Trust, Chair of Northern Ireland Transfusion Committee, Northern, Ireland.
4 Department of Haematology, The Queen Elizabeth Hospital Kings Lynn NHS Foundation Trust, King's Lyn, UK.
5 Serious Hazards of Transfusion (SHOT) Office, NHSBT, Manchester, UK.
6 Transfusion, South Tees Hospitals NHS Trust, Middlesbrough, UK.
7 Department of Haematology, Royal Berkshire NHS Foundation Trust, Reading, Berkshire, UK.
8 NHS National Services Scotland, Scottish National Blood Transfusion Service - Better Blood Transfusion, United Kingdom of Great Britain & Northern Ireland.
9 Diagnostic and Therapeutic Services, NHSBT, Bristol, UK.
10 Products, NHSBT, London, UK.
11 Department of Haematology, Alder Hey Hospital Children's NHS Foundation Trust, Liverpool, UK.