1. Nanotechnology Research Centre, National Research Council Canada , 11421 Saskatchewan Dr, Edmonton, Alberta, T6G 2M9 , Canada
2. Department of Medicine, and Alberta Respiratory Centre, University of Alberta , Edmonton, Alberta, 11350 83rd Ave, T6G 2G3 , Canada
3. Department of Medicine, and Neurosciences and Mental Health Institute, University of Alberta , Li Ka Shing Centre for Health Research Innovation, Edmonton, Alberta, T6G 2E1 , Canada
4. Centre for Prions & Protein Folding Diseases, University of Alberta , 8710 - 112 St NW, Edmonton, Alberta, T6G 2M8 , Canada
5. Department of Medical Microbiology and Immunology, University of Alberta , Katz Group Centre, Edmonton, Alberta, T6G 2E1 , Canada