1. Department of Clinical Infection, Microbiology and Immunology, Institute of Infection and Global Health, Ronald Ross Building, 8 West Derby Street, Liverpool, L69 7BE, England.
2. Innovation For Health And Development (IFHAD), Universidad Peruana Cayetano Heredia, Lima, Peru.
3. Innovación Por la Salud Y Desarrollo (IPSYD), Asociación Benéfica Prisma, Lima, Peru.
4. Department of Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, England.
5. Section of Infectious Diseases and Immunity, Imperial College London, London, England.
6. Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, United States of America.