1. Armauer Hansen Research Institute, Ministry of Health, Addis Ababa, Ethiopia
2. International Vaccine Institute, Seoul, South Korea
3. Technology and Innovation Institute, Addis Ababa, Ethiopia
4. Graduate School of Public Health, Yonsei University, Seoul, South Korea
5. Hospital for Tropical Diseases, Welcome Trust Major Overseas Program, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
6. Department of Medicine, University of Cambridge, United Kingdom