1Cancer and Immunogenetics Laboratory, Imperial Cancer Research Fund, Institute of Molecular Medicine, John Radcliffe Hospital, Headington, Oxford, UK.
2Anthony Nolan Research Institute, The Royal Free Hospital, Hampstead, London, UK (formerly of the Tissue Antigen Laboratory, Imperial Cancer Research Fund, London, UK)
3Tissue Typing Laboratory, Nuffield Department of Surgery, Oxford Transplant Centre, Churchill Hospital, Oxford, UK
4Cancer and Immunogenetics Laboratory, Imperial Cancer Research Fund, Institute of Molecular Medicine, John Radcliffe Hospital, Headington, Oxford, UK (formerly the Tissue Antigen Laboratory, Imperial Cancer Research Fund, London, UK)