Nature 482, 47–52 (2012); doi:10.1038/nature10776

In this Article, two of the 30 plots in Fig. 2f were inadvertently duplicated from the corresponding panels in Fig. 2e. The corrected figure is shown below (with the two corrected panels boxed). The error has been corrected online in the HTML and PDF of the original paper.

Figure 1
figure 1

This is the corrected Fig. 2f of the original Article.

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