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Publisher's Note: Error in Acknowledgments.

Posted by PLOS_ONE_Group on 23 Jan 2012 at 22:33 GMT

Kalju Khan
http://plosone.org/article/info:doi/10.1371/journal.pone.0027051#article1.back1.ack1.p1

There was a spelling error in the Acknowledgments. The spelling "Kalju Khan" is incorrect. The correct spelling is "Kalju Kahn".

No competing interests declared.