[1] St James Univ Hosp, Dept Haematol, Leeds LS9 7TF, W Yorkshire, England
[2] Univ Leeds, Clin Trials Res Unit, Leeds LS2 9JT, W Yorkshire, England
[3] E Kent Hosp NHS Trust, Dept Haematol, Canterbury, Kent, England
[4] Leeds Teaching Hosp NHS Trust, HMDS, Leeds, W Yorkshire, England
[5] Birmingham Heartlands Hosp, Birmingham, W Midlands, England
[6] Royal Marsden Hosp, Dept Haematol, London SW3 6JJ, England
[7] Royal Bournemouth Hosp, Dept Haematol, Bournemouth, Dorset, England
[8] Cardiff & Vale NHS Trust, Dept Haematol, Cardiff, S Glam, Wales
[9] Addenbrookes Hosp, Dept Haematol, Cambridge CB2 2QQ, England