1. Department of Pathobiology and Population SciencesCentre for Emerging, Endemic and Exotic DiseasesRoyal Veterinary CollegeUniversity of London London UK
2. Department of Infectious Disease EpidemiologyLondon Centre for Neglected Tropical Disease ResearchSchool of Public HealthImperial College London London UK
3. Communicable Diseases Policy Research GroupLondon School of Hygiene and Tropical Medicine London UK
4. Faculty of Public HealthMahidol University Bangkok Thailand