1. Department of Chemistry, University of Victoria, Victoria, British Columbia V8W 3V6, Canada
2. Department of Chemistry, Vancouver Island University, Nanaimo, British Columbia V9R 5S5, Canada
3. Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, Washington 98195, United States
4. Canadian Institute for Substance Use Research, University of Victoria, Victoria, British Columbia V8W 2Y2, Canada
5. School of Social Work, University of Victoria, Victoria, British Columbia V8W 2Y2, Canada
6. Department of Computer Science, University of Victoria, Victoria, British Columbia V8W 3P6, Canada