[1] Hop St Antoine, AP HP, Serv Hematol & Therapie Cellulaire, Paris, France
[2] Hop Edouard Herriot, Lyon, France
[3] EBMT, Chron Leukaemia WP Registry, Leiden, Netherlands
[4] Birmingham Heartlands Hosp, Dept Haematol, Birmingham B9 5ST, W Midlands, England
[5] Univ Milan, Ist Nazl Tumori, Milan, Italy
[6] Univ Leipzig, Div Haematol & Oncol, D-7010 Leipzig, Germany