Author Reply to Letter to the Editor in Response to "Fentanyl Concentration in Drug Checking Samples and Risk of Overdose Death in Vancouver, Canada"

Affiliations

• ¹ School of Social Work, The University of British Columbia - Okanagan Campus, Kelowna, British Columbia, Canada; British Columbia Centre on Substance Use, Vancouver, British Columbia, Canada.
• ² British Columbia Centre on Substance Use, Vancouver, British Columbia, Canada; School of Population and Public Health, The University of British Columbia, Vancouver, British Columbia, Canada.
• ³ British Columbia Centre on Substance Use, Vancouver, British Columbia, Canada; Harvard School of Medicine, Boston, Massachusetts; Massachusetts General Hospital, Boston, Massachusetts.
• ⁴ School of Population and Public Health, The University of British Columbia, Vancouver, British Columbia, Canada; BC Centre for Disease Control, Vancouver, British Columbia, Canada.
• ⁵ Vancouver Coastal Health, Vancouver, British Columbia, Canada.
• ⁶ School of Population and Public Health, The University of British Columbia, Vancouver, British Columbia, Canada; School of Child and Youth Care, University of Victoria, Victoria, British Columbia, Canada.
• ⁷ British Columbia Centre on Substance Use, Vancouver, British Columbia, Canada; Department of Medicine, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada.