1. Division of Microbiology, Department of Pathology and Laboratory Medicine, Nova Scotia Health, Halifax, Nova Scotia, Canada
2. Department of Pathology, Dalhousie University, Halifax, Nova Scotia, Canada
3. Department of Medicine (Infectious Diseases), Dalhousie University, Halifax, Nova Scotia, Canada
4. Department of Microbiology and Immunology, Dalhousie University, Halifax, Nova Scotia, Canada
5. Department of Family Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
6. Praxes Medical Group, Halifax, Nova Scotia, Canada