1. Department of Immunology, University of Toronto, Toronto, ON, Canada.
2. Department of Molecular Genetics, Hospital for Sick Children, Toronto, ON, Canada.
3. Alberta Glycomics Centre and Department of Chemistry, University of Alberta, Edmonton, AB, Canada.
4. Division of Immunology and Allergy, Hospital for Sick Children and University of Toronto, Toronto, ON, Canada.
5. Department of Otolaryngology-Head and Neck Surgery, Hospital for Sick Children and University of Toronto, Toronto, ON, Canada.
6. Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, PA, USA.
7. Department of Biochemistry, University of Toronto, Toronto, ON, Canada.
8. Department of Pathology and Laboratory Medicine and Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, USA.