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Publisher's Note: 15%

Posted by dfanelli on 24 Sep 2009 at 17:36 GMT

81%
http://plosone.org/article/info:doi/10.1371/journal.pone.0005738#article1.body1.sec4.p7

The correct percentage is 15%, 81 was the number of respondents who replied affirmatively in the cited survey. Apologies to all students of University of California San Diego for the mistake.

Competing interests declared: Author of the paper