[1] John Radcliffe Hosp, Weatherall Inst Mol Med, MRC Mol Haematol Unit, Oxford, England
[2] John Radcliffe Hosp, Weatherall Inst Mol Med, Dept Haematol, Oxford, England
[3] Univ Birmingham, Dept Haematol, Birmingham B15 2TT, W Midlands, England
[4] Univ Hosp Birmingham, Birmingham, W Midlands, England
[5] Great Western Hosp, Dept Haematol, Swindon, Wilts, England
[6] John Radcliffe Hosp, Weatherall Inst Mol Med, Canc Res UK, Oxford, England
[7] Nuffield Orthopaed Hosp, Nuffield Dept Orthopaed, Oxford, England
[8] Bristol Royal Infirm & Gen Hosp, Dept Haematol, Bristol, Avon, England
[9] Univ Birmingham, Dept Immunol, Birmingham B15 2TT, W Midlands, England