1. Sustainable Livelihoods Foundation (SLF), Wynberg Cape Town, South Africa
2. Kenya Medical Research Institute – Wellcome Trust Research Programme, Kilifi, Kilifi County, Kenya
3. Centre for Tropical Medicine and Global Health, University of Oxford, Oxford, UK
4. Department of Anthropology, University of Durham, Durham, UK
5. Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam