1. Division of Medical Microbiology and Division of Infectious Diseases, University of British Columbia, Vancouver, British Columbia, Canada
2. Division of Infectious Diseases and Immunology, Department of Medicine, New York University Grossman School of Medicine, New York, New York, United States
3. Divisions of Critical Care and Infectious Diseases, Department of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
4. Division of Infectious Diseases, Department of Medicine, Department of Microbiology and Immunology, Queen Elizabeth II Hospital, Dalhousie University, Halifax, Nova Scotia, Canada
5. Division of Infectious Diseases, Queen Elizabeth II Hospital, Dalhousie University, Halifax, Nova Scotia, Canada
6. Division of Infectious Diseases, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
7. Department of Family Medicine, University of Manitoba, Winnipeg, Manitoba
8. Division of Infectious Diseases, Department of Medicine, University of Calgary, Calgary, Alberta, Canada
9. Division of Infectious Diseases, Department of Medicine; Division of Medical Microbiology, Department of Laboratory Medicine, McGill University Health Centre, Montreal, Quebec, Canada