1. 1Global Health Program, Faculty of Public Health, Thammasat University, Bangkok, Thailand;
2. 2Office of the Deputy-Director General, Department of Disease Control, Ministry of Public Health, Bangkok, Thailand;
3. 3Office of Director-General, Department of Communicable Disease Control, Ministry of Health, Vientiane, Lao PDR;
4. 4Institute of Research and Education Development (IRED), University of Health Sciences, Vientiane, Lao PDR;
5. 5Lao-Oxford-Mahosot Hospital-Welcome Trust Research Unit (LOMWRU), Mahosot Hospital, Vientiane, Lao PDR;
6. 6National Center for Laboratory and Epidemiology (NCLE), Ministry of Health, Vientiane, Laos PDR;
7. 7National Institute of Hygiene and Epidemiology (NIHE), Hanoi, Vietnam;
8. 8University of Health Sciences, Phnom Penh, Cambodia;
9. 9Department of Mathematics, University of Rajshahi, Rajshahi, Bangladesh;
10. 10Australian Institute of Tropical Health and Medicine, James Cook University, Townsville, Australia