1. Centre for Health Systems and Policy Research, JC School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong
2. The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong
3. Department of Public Health, Nobel College, Affiliated to Pokhara University, Sinamangal, Kathmandu 47000, Nepal
4. Phenikaa University, Hanoi, Vietnam
5. Department of Microbiology, JC School of Public Health and Primary Care, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong
6. JC School of Public Health and Primary Care, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong