1. Centre for Inflammation Research, University of Edinburgh, Edinburgh, UK.
2. Department of Microbiology and Immunology, University of British Columbia, Vancouver, British Columbia, Canada.
3. Department of Medicine, University of Calgary, Calgary, Alberta, Canada.
4. Fraser Health Multiple Sclerosis Clinic, Burnaby, British Columbia, Canada.
5. Division of Neurology, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.