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Academic Editor's comments (Andreas Heinz)

Posted by PLOS_ONE_Group on 18 Mar 2008 at 09:56 GMT

This is a very interesting, novel finding. The authors followed all suggested changes and answered all queries, the paper now deserves publication

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N.B. These are the comments made by the referee when reviewing an earlier version of this paper. Prior to publication the manuscript has been revised in light of these comments and to address other editorial requirements.