Correction to: Laboratory Investigation (2011) 91, 619–626; doi: 10.1038/labinvest.2010.204; published online 14 February 2011.

As originally published, this paper contains some inaccuracies and fails to cite papers in which some of the data were originally published. The authors would like to apologize for these errors and for any inconvenience this may have caused.

Figure 1a was previously published as Figure 1a in Aoki et al1 and the authors neglected to reveal this fact.

In Figure 2A, the time points are listed as 0, 1 and 3 months, and the same trio of bands is found in an earlier paper2 as Figure 1I, where the time points were labeled as 0, 0.5 and 3 months. The labeling in the Laboratory Investigation paper is correct, and the labeling in Aoki et al2 was incorrect, and is being corrected. In addition, the authors did not acknowledge that the blot in the Laboratory Investigation paper first appeared in ref 2.

Figure 4D was previously presented as Figure 3G in Aoki et al2 and was not properly credited to the original paper.