1. Steve Biko Centre for Bioethics, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
2. National Biobank, National Health Laboratory Service, Johannesburg, South Africa
3. School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
4. School of Law, University of South Africa, Pretoria, South Africa