1. Immunovaccine Inc., Halifax, Nova Scotia, Canada
2. Canadian Center for Vaccinology, IWK Health Centre and Nova Scotia Health Authority, Dalhousie University, Halifax, Nova Scotia, Canada
3. Department of Pediatrics, Dalhousie University, Halifax, Nova Scotia, Canada
4. Community Health and Epidemiology, Dalhousie University, Halifax, Nova Scotia, Canada
5. Microbiology and Immunology, Dalhousie University, Halifax, Nova Scotia, Canada