1. Department of Global Health and Development, London School of Hygiene and Tropical Medicine, London, United Kingdom
2. Department of Sociology and Social Work, Njala University, Bo, Sierra Leone
3. Department of Community Health and Clinical Studies, Njala University, Bo, Sierra Leone
4. Department of Nursing, Njala University, Bo, Sierra Leone
5. Department of International Development, London School of Economics and Political Science, London, United Kingdom