1. Michael Smith Laboratories and Centre for Blood Research, University of British Columbia, Vancouver, British Columbia, Canada V6T1Z4
2. Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia, Canada V6T1Z4
3. Departments of Microbiology & Immunology, Medical Genetics, Zoology, and Urology, Djavad Mowafaghian Centre for Brain Health, and Vancouver Prostate Centre, University of British Columbia, Vancouver, British Columbia, Canada V6T1Z4