1. Institute for Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam
2. Woolcock Institute of Medical Research Vietnam, Hanoi, Vietnam
3. Public Health Department, Nursing Faculty, Dai Nam University, Hanoi, Vietnam
4. Department of Public Health, Thang Long University, Hanoi, Vietnam
5. Public Health Department, Faculty of Medicine, Mataram University, West Nusa Tenggara, Indonesia
6. Graduate School of Public Health, St. Luke’s International University, Tokyo, Japan
7. Department of Quantitative Health Sciences, University of Massachusetts Medical School, Worcester, MA, USA