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Publisher’s Note: Error in the Materials and Methods

Posted by PLOS_ONE_Group on 09 Apr 2015 at 20:19 GMT

There are formatting errors throughout the XML version of the article that were introduced during the typesetting process. These errors occur in the following subsections of the Materials and Methods: “Cryptoset construction”, “Estimating overlap with cryptosets”, “Theoretical accuracy of cryptoset overlap estimates”, and “Bloom filter construction”. Please refer to the PDF version of the article to view the correct version. The publisher apologizes for these errors.

No competing interests declared.