1. Postdoctoral Research Fellow, Addiction Research Foundation Division, Centre for Addiction and Mental Health, Toronto, Ontario
2. Scientist, Addiction Research Foundation Division, Centre for Addiction and Mental Health; Assistant Professor, Departments of Psychology and Public Health Sciences, University of Toronto, Toronto, Ontario
3. Professor, Department of Psychiatry, University of Calgary; Head, Foothills Hospital Addiction Centre, Calgary, Alberta
4. Research Assistant, Addiction Research Foundation Division, Centre for Addiction and Mental Health, Toronto, Ontario; Student, Research Analyst Program, Georgian College, Toronto