1. Vaccine Preventable Bacterial Diseases, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
2. BC Public Health Microbiology and Reference Laboratory, Vancouver, British Columbia, Canada
3. Provincial Laboratory for Public Health, Edmonton, Alberta, Canada
4. Saskatchewan Disease Control Laboratory, Regina, Saskatchewan, Canada
5. Cadham Provincial Public Health Laboratory, Winnipeg, Manitoba, Canada
6. Faculty of Medicine, University of Toronto, Ontario, Canada
7. Public Health Ontario Laboratory, Public Health Ontario, Ontario, Canada
8. Laboratoire de Santé Publique du Québec, Institut National de Santé Publique du Québec, Sainte-Anne-de-Bellevue, Québec, Canada
9. Institut Pasteur, Invasive Bacterial Infections Unit and National Reference Centre for Meningococci, Paris, France