The tenth author, Cecile Goujard, was incorrectly omitted from the byline in the online version of the article. Dr. Goujard is affiliated with institution number 1, INSERM, U1018, Epidemiology of HIV and STI; University Paris-Sud 11, Le Kremlin-Bicêtre, France, and institution number 7, Department of Internal Medicine, Bicêtre Hospital, AP-HP, University Paris-Sud 11, Le Kremlin-Bicêtre, France. Dr. Goujard's contributions to the article are correctly indicated in both the online and PDF versions of the article.
Footnotes
Competing Interests: No competing interests declared.