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Publisher's Note: Error in Author Contributions

Posted by PLOS_ONE_Group on 22 May 2013 at 23:00 GMT

There was an error in entering the author initials into the author contributions. The initials MJWC are incorrect; the correct initials are MC. The correct author contributions list is the following:

Conceived and designed the experiments: MB JB KA JJD MC.
Performed the experiments: MB JB KA JJD MC.
Analyzed the data: MB JJD.
Contributed reagents/materials/analysis tools: MB JJD SEC.
Wrote the paper: MB JB MC JJD KA SEC MJWS.
Provided data for porbeagle shark: SEC.
Provided data for bluefin tuna: MJWS.

No competing interests declared.