Marie-Louise Vachon*†, Natasha Dionne*†, Éric Leblanc*†, Danielle Moisan‡, Michel G. Bergeron*†, and Guy Boivin*†
Author affiliations: *Research Center in Infectious Diseases of the Centre Hospitalier Universitaire de Québec, Quebec City, Quebec, Canada; †Laval University, Quebec City, Quebec, Canada; ‡Centre Hospitalier Régional du Grand-Portage, Rivière-du-Loup, Quebec, Canada
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