1 Department of Microbiology and Immunology, University of British Columbia, Vancouver, British Columbia, Canada.
2 Michael Smith Laboratories, University of British Columbia, Vancouver, British Columbia, Canada.
3 Pacific Parkinson's Research Centre and Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada.
4 Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia, Canada.
5 Division of Neurology, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
6 Department of Chemistry, University of British Columbia, Vancouver, British Columbia, Canada.