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Publisher's Note: Error in Table 2.

Posted by PLOS_ONE_Group on 02 Nov 2012 at 22:46 GMT

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http://plosone.org/article/info:doi/10.1371/journal.pone.0038705#pone-0038705-t002

In Table 2, there are formatting errors in the footnotes. Some instances of "-2" are not superscripted. Please see the corrected Table 2 here: http://www.plosone.org/corrections/pone.0038705.t002.cn.tif [^]

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