1. Division of Infectious Diseases and Global Public Health University of California San Diego San Diego USA
2. Centre on Drug Policy Evaluation St. Michael's Hospital Toronto Canada
3. Department of Epidemiology and Biostatistics Dornsife School of Public Health, Drexel University Philadelphia USA
4. Department of Epidemiology Brown University School of Public Health Providence USA
5. Division of Nephrology, Department of Medicine State University of New York New York USA
6. Institute for Mental Health Policy Research Centre for Addiction and Mental Health Toronto Canada
7. Schools of Population Health and Pharmacy Faculty of Medical and Health Sciences, University of Auckland Auckland New Zealand
8. Department of Psychiatry University of Toronto Toronto Canada
9. Centre for Applied Research in Mental Health and Addiction Simon Fraser University Vancouver Canada
10. Department of Psychiatry Federal University of Sao Paulo São Paulo Brazil
11. Grayken Center for Addiction and Department of Pediatrics Boston Medical Center Boston USA
12. Division of General Pediatrics, Department of Pediatrics Boston University School of Medicine Boston USA