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Tables

Posted by jlaffitamesa on 09 Aug 2013 at 14:50 GMT

Authors has noted that the paper was published with mistakes in the heading, legend and position of table 1 and 2. We provided correct table headings, but It appears as if a system error caused the switch of headings. Corrections department are working to change it. The current form of the article don't change any result. Also, did not affect interpretation of the paper.

No competing interests declared.