Research index·Journal articleCorrectionNature·1 Feb 2014NobleIDark:/48914/w1/20260525/DD31513DDOI10.1038/506279bJournal articleCorrectionNature · 2014 · SubscriptionNobleIDark:/48914/w1/20260525/DD31513DDOI10.1038/506279bReadRead at the publisherSaveCiteAdd to literature reviewPaywalledThe full text is at the publisherOpen it at the publisher to read it.Read at the publisherDiscussionAdd to the discussionTopicsComputer scienceRelated papersMoreDetailsPublished, publisher, issueSuggest a correction or report