1 University of British Columbia, Department of Psychiatry, 2255 Wesbrook Mall, Vancouver, BC V6T 2A1, Canada; BC Centre for Disease Control, 655W 12th Ave, Vancouver, BC V5Z 4R4, Canada. Electronic address: Heather.palis@bccdc.ca.
2 University of Colorado School of Medicine, Divisions of General Internal Medicine and Infectious Diseases, 12631 E. 17th Ave., Mailstop B180, Aurora, CO, 80045, United states.
3 BC Centre for Disease Control, 655W 12th Ave, Vancouver, BC V5Z 4R4, Canada; University of British Columbia, Department of Emergency Medicine, 11th Floor - 2775 Laurel Street, Vancouver, V5Z 1M9, BC Canada; Vancouver General Hospital, 899W 12th Ave, Vancouver, BC V5Z 1M9, Canada; BC Children's Hospital, 4500 Oak St, Vancouver, BC V6H 3N1, Canada.
4 BC Centre for Disease Control, 655W 12th Ave, Vancouver, BC V5Z 4R4, Canada; University of British Columbia, School of Population and Public Health, 2206 E Mall, Vancouver, BC V6T 1Z3, Canada.
5 BC Centre for Disease Control, 655W 12th Ave, Vancouver, BC V5Z 4R4, Canada; Coalition of Peers Dismantling the Drug War, Canada.