1. Alcohol, Tobacco and Other Drug Research Unit South African Medical Research Council Cape Town South Africa
2. Department of Psychiatry University of Stellenbosch Cape Town South Africa
3. Curtin enAble institute, Faculty of Health Sciences Curtin University Perth Western Australia Australia
4. Division of Addiction Psychiatry, Department of Psychiatry and Mental Health University of Cape Town Cape Town South Africa
5. Alcohol, Tobacco and Other Drug Research Unit South African Medical Research Council Pretoria South Africa
6. Directorate of Research and Innovation Tshwane University of Technology Pretoria South Africa
7. Institute for Mental Health Policy Research and Campbell Family Mental Health Research Institute Centre for Addiction and Mental Health Toronto Ontario Canada
8. Dalla Lana School of Public Health University of Toronto Toronto Ontario Canada
9. Biostatistics Unit, South African Medical Research Council, Pretoria, South Africa and Department of Statistics University of Pretoria Pretoria South Africa
10. Department of Medicine University of California San Francisco San Francisco California USA
11. Klinische Psychologie und Psychotherapie Technische Universität Dresden, Klinische Psychologie & Psychotherapie Dresden Germany
12. Department of International Health Projects, Institute for Leadership and Health Management Institute for Leadership and Health Management, I.M. Sechenov First Moscow State Medical University Moscow Russian Federation
13. Alan J Flisher Centre for Public Mental Health, Department of Psychiatry and Mental Health University of Cape Town Cape Town South Africa
14. Department of Psychology University of Johannesburg Johannesburg South Africa
15. School of Public Health University of the Witwatersrand Johannesburg South Africa
16. School of Family Medicine and Public Health University of Cape Town Cape Town South Africa