[1] Kings Coll London, London WC2R 2LS, England
[2] Johns Hopkins Univ, Sch Med, Baltimore, MD USA
[3] Johns Hopkins Univ, Sidney Kimmel Comprehens Canc Ctr, Baltimore, MD USA
[4] Peter MacCallum Canc Ctr, Melbourne, Vic, Australia
[5] Univ Florence, AOU Careggi, UF Ematol, Florence, Italy
[6] Univ Louvain, Louvain, Belgium
[7] Celgene Corp, Overland Pk, KS USA
[8] Celgene Corp, San Francisco, CA USA