1. Division of Infectious Diseases, Department of Medicine and Department of Medical Microbiology, Jewish General Hospital, Montréal, Québec, Canada
2. Division of Infectious Diseases, Department of Medicine and Department of Medical Microbiology, McGill University Health Centre, Montréal, Québec, Canada
3. Laboratoire de Santé Publique du Québec, Sainte-Anne-de-Bellevue, Québec, Canada
4. Department of Microbiology and Immunology, Université de Montréal, Montréal, Québec; 5National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
5. National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada