1. The Woolcock Institute of Medical Research, Kim Ma, Ha Noi, Vietnam
2. National Institute of Hygiene and Epidemiology, Hai Ba Trung, Hanoi, Vietnam
3. The University of Medicine and Pharmacy, Hong Bang, Q5, Ho Chi Minh City, Vietnam
4. The Sydney School of Public Health, University of Sydney, NSW 2006, Australia
5. The George Institute for Global Health, Sydney, NSW 2042, Australia
6. The University of New South Wales, Sydney, NSW 2052, Australia
7. The Central Clinical School, The Faculty of Medicine and Health, The University of Sydney, NSW 2006, Australia
8. The Marie Bashir Institute, Westmead Institute for Medical Research, The University of Sydney, NSW 2145, Australia
9. Oxford University Clinical Research Unit, Vo Van Kiet, Q5, Ho Chi Minh City, Vietnam