Correction to: Leukemia (2009) 23, 1054–1061; doi:10.1038/leu.2009.38

Since the publication of this paper, the authors have noticed that the name of an Investigator from the IRIS trial has been omitted from the Appendix. The details of this Investigator are shown below.

Italy—Università degli Studi di Firenze, Florence: V Santini.

The authors apologize for any inconvenience caused.