1. Centre for Addiction and Mental Health; London ON Canada N6G 4X8
2. Western University; London ON Canada
3. Dalla Lana School of Public Health; University of Toronto; Toronto ON Canada
4. National Drug Research Institute; Curtin University; Perth WA Australia
5. School of Psychology; Deakin University; Geelong Vic. Australia
6. Centre for Public Health; Liverpool John Moores University; Liverpool UK
7. College of Social Work; The Ohio State University; Columbus OH USA
8. School of Public Health; University of Minnesota; Minneapolis MN USA