1. Division of Respiratory Medicine, Department of Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
2. Microbiology, BC Children’s Hospital, Vancouver, BC, Canada
3. Pathology and Laboratory Medicine, Providence Health Care, Vancouver, BC, Canada
4. Department of Pathology and Laboratory Medicine, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
5. Vaccine Evaluation Centre, BC Children’s Hospital, Vancouver, BC, Canada
6. Division of Infectious Diseases, Department of Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada