1. Ukwanda Centre for Rural Health, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
2. Centre for Health Professions Education, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
3. Mental Health, Alcohol, Substance use and Tobacco Research Unit, South African Medical Research Council, Cape Town, South Africa
4. Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa