1 British Columbia Centre on Substance Use, Vancouver, British Columbia, Canada; School of Nursing, University of British Columbia, Vancouver, British Columbia, Canada.
2 School of Nursing, University of British Columbia, Vancouver, British Columbia, Canada.
3 British Columbia Centre on Substance Use, Vancouver, British Columbia, Canada; Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
4 British Columbia Centre on Substance Use, Vancouver, British Columbia, Canada; 'Namgis First Nation, Alert Bay, British Columbia, Canada; Coalition of Peers Dismantling the Drug War, Vancouver, British Columbia, Canada.
5 Mental Health & Substance Use Network, Interior Health, British Columbia, Canada.
6 Three Bridges Community Health Centre, Vancouver, British Columbia, Canada.
7 British Columbia Centre on Substance Use, Vancouver, British Columbia, Canada; Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada. Electronic address: danya.fast@bccsu.ubc.ca.