1. Division of Viral Diseases National Center for Immunization and Respiratory Diseases Centers for Disease Control and Prevention Atlanta GA USA
2. Division of Global Health Protection Center for Global Health Centers for Disease Control and Prevention Hanoi Vietnam
3. General Department of Preventive Medicine Ministry of Health Hanoi Vietnam
4. National Institute of Hygiene and Epidemiology Hanoi Vietnam
5. Pasteur Institute in Ho Chi Minh City Ho Chi Minh City Vietnam
6. Pasteur Institute in Nha Trang Khanh Hoa Vietnam
7. Tay Nguyen Institute of Hygiene and Epidemiology Dak Lak Vietnam
8. Division of Global Health Protection Center for Global Health Centers for Disease Control and Prevention Atlanta GA USA