Affiliation: | 1. Department of General Medicine, CIUSSS Centre-Sud-de-l'Île-de-Montréal, Montreal, Canada;2. Centre de recherche en santé publique, Montreal, Canada;3. Department of Microbiology, Infectious Disease, and Immunology, University of Montreal, Montreal, Canada;4. Department of Geriatric Medicine, Centre hospitalier de l'Université de Montréal (CHUM), Montreal, Canada |