1. Centre for Addiction and Mental Health Institute for Mental Health Policy Research Toronto Ontario Canada
2. Alcohol Research Group Public Health Institute Emeryville California USA
3. Addiction Medicine, Department of Psychiatry Lausanne University Hospital Lausanne Switzerland
4. Department of Epidemiology and Biostatistics Western University London Ontario Canada
5. Centre for Addiction and Mental Health Campbell Family Mental Health Research Institute Toronto Ontario Canada
6. Department of Psychiatry University of Toronto Toronto Ontario Canada
7. Heidelberg Institute of Global Health, Medical Faculty and University Hospital Heidelberg University Heidelberg Germany