1. Infectious Hazard Management, World Health Organization, avenue Appia 20, 1211 Geneva 27, Switzerland.
2. National Centre for Communicable Diseases, Ulaanbataar, Mongolia.
3. Regional Office for Europe, World Health Organization, Copenhagen, Denmark.
4. Western Pacific Regional Office, World Health Organization, Manila, Philippines.
5. Department of Infectious Disease Epidemiology, Norwegian Institute of Public Health, Oslo, Norway.
6. Centers for Disease Control and Prevention, Atlanta, United States of America (USA).
7. Eastern Mediterranean Regional Office, World Health Organization, Cairo, Egypt.
8. Department of Primary and Community Care, Radboud University Medical Center, Nijmegen, Netherlands.
9. United States Centers for Disease Control and Prevention Kenya Office, Nairobi, Kenya.
10. Municipal Health Secretariat, Belo Horizonte, Brazil.
11. Pan American Health Organization, World Health Organization, Washington, USA.
12. Department of Infectious Diseases, National Institute of Health, Lisbon, Portugal.
13. Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, Netherlands.
14. Regional Office for Africa, World Health Organization, Brazzaville, Congo.