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Publisher's Note: Error in figure order.

Posted by PLOS_ONE_Group on 09 Oct 2012 at 21:45 GMT

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http://plosone.org/article/info:doi/10.1371/journal.pone.0034682#article1.front1.article-meta1.abstract1.p1

The images for Figures 2 and 4 were incorrectly switched. The image that appears as Figure 2 should be Figure 4, and the image that appears as Figure 4 should be Figure 2. The figure legends appear in the correct order.

No competing interests declared.