1. School of Population and Public Health, University of British Columbia, Vancouver, Canada.
2. BC Node, Canadian Wildlife Health Cooperative, Abbotsford, Canada.
3. National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada.
4. Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado.
5. British Columbia Centre for Excellence in HIV/AIDS, Providence Health Care, Vancouver, Canada.
6. Department of Medicine, University of British Columbia, Vancouver, Canada.