1. National Institute of Hygiene and Epidemiology, Hanoi, Vietnam
2. Family Health International 360, Durham, NC, USA
3. World Health Organization, Western Pacific Region, Manila, Philippines
4. Partners in Health, Hanoi, Vietnam
5. Preventive Medicine Division, Ministry of Health, Hanoi, Vietnam
6. Global Health Security, Hanoi, Vietnam
7. U.S. Centers for Disease Control and Prevention, Atlanta, GA, USA