1. Medicine (Neurology) University of British Columbia and The Djavad Mowafaghian Centre for Brain Health Vancouver BC V6T 1Z3 Canada
2. The Montreal Neurological Institute McGill University Montreal Quebec H3A 2B4 Canada
3. Center for Neuroinflammation and Experimental Therapeutics and Department of Neurology Perleman School of Medicine University of Pennsylvania Philadelphia Pennsylvania 19104 USA
4. Department of Internal Medicine Max Rady College of Medicine Rady Faculty of Health Sciences University of Manitoba Inflammatory Bowel Disease Clinical and Research Centre University of Manitoba Winnipeg Manitoba R3E 3P4 Canada
5. National Microbiology Laboratory National Microbiology Laboratory Public Health Agency of Canada Winnipeg Manitoba R3E 3R2 Canada
6. Department of Laboratory Medicine and Pathobiology University of Toronto Toronto Ontario M5S 1A8 Canada
7. Department of Medical Microbiology and Infectious Diseases Max Rady College of Medicine Rady Faculty of Health Sciences Winnipeg Manitoba R3E 0J9 Canada
8. Department of Neurology University of California San Francisco San Francisco California 94158 USA
9. Department of Internal Medicine Max Rady College of Medicine Rady Faculty of Health Sciences Winnipeg Manitoba R3A 1R9 Canada
10. The Hospital for Sick Children University of Toronto Toronto Ontario M5G 1X8 Canada
11. Division of Neurology Children's Hospital of Philadelphia Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania 19104 USA