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Possible missing comments

Posted by PLOS_ONE_Group on 20 Jan 2010 at 20:49 GMT

Due to a technical problem with our site, comments that were left on this article between 5 pm PST 1/17/10 and 3 am PST 1/20/10 have been lost.

We apologize for this situation, if you are the author of the missing comment we encourage you to re-post it

Competing interests declared: PLoS ONE Staff