[1] St James Hosp, Dublin 8, Ireland
[2] Univ Calgary, Div Hematol & Hematol Malignancies, Calgary, AB, Canada
[3] Barts & London Queen Marys Sch Med & Dent, Ctr Med Oncol, London, England
[4] Our Ladys Childrens Hosp, Dept Haematol, Dublin, Ireland
[5] St James Hosp, Dept Haematol, Dublin 8, Ireland