[1
]
British Columbia Centre on Substance Use, 400-1045 Howe Street, Vancouver, BC, V6Z
2A9, Canada; Department of Medicine, University of British Columbia, St. Paul's Hospital,
608-1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada. Electronic address: bccsu-es@bccsu.ubc.ca.
[2
]
British Columbia Centre on Substance Use, 400-1045 Howe Street, Vancouver, BC, V6Z
2A9, Canada; HIV/STI Surveillance Research Center, WHO Collaborating Center for HIV
Surveillance, Institute for Futures Studies in Health, Kerman University of Medical
Sciences, Kerman, 7616911320, Iran.
[3
]
British Columbia Centre for Excellence in HIV/AIDS, St. Paul's Hospital, 608-1081
Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.
[4
]
Infectious Diseases Division, Hospital Juan A. Fernández, Cerviño 3356, Buenos Aires,
C1425AGP, Argentina.
[5
]
British Columbia Centre on Substance Use, 400-1045 Howe Street, Vancouver, BC, V6Z
2A9, Canada.
[6
]
British Columbia Centre on Substance Use, 400-1045 Howe Street, Vancouver, BC, V6Z
2A9, Canada; Department of Medicine, University of British Columbia, St. Paul's Hospital,
608-1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.