1. Centers for Disease Control and Prevention, Atlanta Georgia, USA
2. Institute of Tropical Medicine, Antwerp, Belgium
3. World Health Organization, Geneva, Switzerland
4. National Institute for Communicable Diseases, Johannesburg, South Africa
5. Ministry of Health, Kinshasa, Democratic Republic of the Congo
6. Institut Pasteur, Cayenne, French Guiana
7. Le Pharo, Marseille, France
8. Uganda Virus Research Institute, Entebbe, Uganda
9. World Health Organization, AFRO, Harare, Zimbabwe
10. Doctors without Borders, Brussels, Belgium
11. Doctors without Borders, Amsterdam, the Netherlands