1. School of Social and Political Science, University of Edinburgh, Edinburgh, UK
2. Department of Interdisciplinary Social Science, Utrecht University, Utrecht, Netherlands
3. London School of Hygiene and Tropical Medicine, London, UK
4. Department of Global Health and Social Medicine, Kings College London, London, UK
5. Laboratory Technical Working Group, Sierra Leone Ministry of Health and Sanitation, Freetown, Sierra Leone
6. School of Community Health Sciences, Njala University, Bo, Sierra Leone
7. College of Medicine and Allied Health Sciences, University of Sierra Leone, Freetown, Sierra Leone