1. Social Science and Research Ethics Department , Africa Health Research Institute, KwaZulu-Natal, South Africa School of Nursing and Public Health, College of Health Sciences, University of KwaZulu-Natal, KwaZulu-Natal, South Africa
2. Department of Pathobiology and Population Sciences, Royal Veterinary College, London, UKFiroz Lalji Centre for Africa, London School of Economics and Political Science, London, UK
3. Human Science Research Council, Human and Social Capabilities Division, Berea, Durban, South Africa
4. Social Science and Research Ethics Department , Africa Health Research Institute, KwaZulu-Natal, South Africa Global Health and Development, London School of Hygiene and Tropical Medicine, London, UK