1. Department of Haematology; NHS Blood and Transplant/Oxford University Hospitals NHS Trust; Oxford UK
2. International Collaboration for Transfusion Medicine Guidelines (ICTMG); Oxford UK
3. Histocompatibility & Immunogenetics; NHSBT/Division of Infection & Immunity; University College London; London UK
4. Department of Haematology; NHS Blood and Transplant; Oxford UK
5. Department of Haematological Medicine; King's College Hospital/King's College London; London UK