1. Ministry of Health, Lilongwe, Malawi.
2. Department of Infections Hazard Management, World Health Organization, Geneva, Switzerland.
3. College of Medicine, University of Saskatchewan, Saskatoon, Canada.
4. World Health Organization, Lilongwe, Malawi.
5. The Malawi Polytechnic, Blantrye, Malawi.
6. Agence de Médecine Préventive, Paris, France.
7. Epicentre, Paris, France.
8. Médecins Sans Frontières France, Lilongwe, Malawi.
9. International Vaccine Institute, Seoul, South Korea.
10. Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, United States of America (USA).
11. Public Health Institute of Malawi, Lilongwe, Malawi.
12. United Nations Children’s Fund, Lilongwe, Malawi.
13. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 North Wolfe Street E6003 Baltimore, MD, USA.
14. Department of Biological Sciences, University of Notre Dame, Notre Dame, USA.