1. School of Nursing Sciences; University of East Anglia; Norwich UK
2. Community Health and Epidemiology; Queen's University; Kingston Ontario Canada
3. Institute for Clinical Evaluative Sciences; Toronto Ontario Canada
4. Faculty of Health Sciences; University of Ontario Institute of Technology; Oshawa Ontario Canada
5. Dalla Lana School of Public Health; University of Toronto; Toronto Ontario Canada
6. Provincial System Support Program; Centre for Addiction and Mental Health; Toronto Ontario Canada
7. Dual Diagnosis Program; Centre for Addiction and Mental Health; Toronto Ontario Canada