1. Oxford University, UK.
2. National Center for Infectious Diseases, Centers for Disease Control and Prevention, USA.
3. University of Aberdeen, UK.
4. South African Institute for Medical Research, South Africa.
5. Imperial College, London, UK.
6. London School of Tropical Medicine and Hygiene, UK.
7. Keele University, UK.
8. Liverpool School of Tropical Medicine, UK.
9. Case Western Reserve University, USA.
10. University of California, Irvine, USA.
11. European Molecular Biology Laboratory, Germany.
12. Uganda Virus Research Institute, Uganda.
13. Health and Safety Executive, HSC, UK.
14. Yale University, USA.
15. Environmental Protection Agency, USA.
16. University of California, Davis, USA.
17. Fogarty International Center, NIH, USA.
18. Harvard School of Public Health, USA.
19. Special Programme for Research and Training in Tropical Diseases (TDR), WHO.
20. University of Notre Dame, USA.