Affiliation: | (1) Department of Haematology, John Radcliffe Hospital, Headington, OX3 9DU Oxford, UK;(2) Diabetes Research Laboratories, Radcliffe infirmary, Oxford, UK;(3) Nuffield Department of Pathology and Bacteriology, John Radcliffe Hospital, OX3 9DU Oxford, UK;(4) Institute of Molecular Medicine, John Radcliffe Hospital, OX3 9DU Oxford, UK |