Correction to: Leukemia (2008) 22, 2247–2256; doi:10.1038/leu.2008.235; published online 4 September 2008

Since the publication of the above article, the authors have identified an error in the legend of Figure 4.

Figure 4
figure 1

Survival according to soluble receptor activator of nuclear factor-κB ligand/osteoprotegerin (sRANKL/OPG ratio; –, above median; —, below median).

The correct figure and legend are shown here.

The authors apologize for any inconvenience caused.