1. Canadian Center for Vaccinology IWK Health Halifax Nova Scotia Canada
2. Stollery Children's Hospital University of Alberta Edmonton Alberta Canada
3. Department of Pediatrics University of British Columbia Vancouver British Columbia Canada
4. Clinical Public Health and Centre for Vaccine Preventable Diseases, Dalla Lana School of Public Health University of Toronto Toronto Ontario Canada
5. Division of Infectious Diseases and Child Health Evaluative Sciences, Hospital for Sick Children University of Toronto Toronto Ontario Canada
6. Vaccine Evaluation Center BC Children's Hospital Research Institute Vancouver British Columbia Canada
7. Department of Pediatrics Dalhousie University Halifax Nova Scotia Canada