1 Social and Behavioral Research Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA. olivia.matshabane@nih.gov.
2 HIV Mental Health Research Unit, Division of Neuropsychiatry, Department of Psychiatry and Mental Health, University of Cape Town, Groote Schuur Hospital, Cape Town, South Africa.
3 Department of Philosophy and Classics, University of Ghana, Legon, Ghana.
4 Department of Medicine, UCT Centre for Clinical Research and Neuroscience Institute, University of Cape Town, Groote Schuur Hospital, Cape Town, South Africa.
5 Social and Behavioral Research Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA.