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Publisher's Note: Error in author contributions.

Posted by PLOS_ONE_Group on 25 Oct 2012 at 22:09 GMT

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http://plosone.org/article/info:doi/10.1371/journal.pone.0044003#article1.front1.article-meta1.abstract1.p1

There were errors in the Author Contributions. The correct contributions are: Conceived and designed the experiments: KS YK TK YS. Performed the experiments: KS LC DK. Analyzed the data: KS. Contributed reagents/materials/analysis tools: KS. Commented on an early draft of the paper: YK. Wrote the paper: KS JEN TW YS.

No competing interests declared.