Published on in Vol 8, No 2 (2020): February
1 Department of Global Health and Development, London School of Hygiene and Tropical Medicine, London, United Kingdom
2 Department of Health Services Research and Policy, London School of Hygiene and Tropical Medicine, London, United Kingdom
3 Department of Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom
4 Graduate School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki-shi, Japan
5 Department of Clinical Research, London School of Tropical Medicine, London, United Kingdom