1. Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
2. Division of Medical Microbiology, BC Children's Hospital and BC Women's Hospital & Health Centre, Vancouver, British Columbia, Canada
3. Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
4. BC Children’s Hospital Research Institute, Vancouver, British Columbia, Canada
5. BC Centre for Disease Control, Vancouver, British Columbia, Canada
6. Vaccine Preventable Bacterial Diseases, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada