1. London School of Hygiene and Tropical Medicine, London, United Kingdom;
2. Malaria Consortium, Phnom Penh Center, Phnom Penh, Cambodia;
3. Cambodian National Dengue Control Program, Phnom Penh, Cambodia;
4. World Health Organization, Phnom Penh, Cambodia;
5. Institut Pasteur du Cambodge, Phnom Penh, Cambodia;
6. US Naval Medical Research Unit-2, Phnom Penh, Cambodia