Published on in Vol 19, No 12 (2017): December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/8328, first published
.
1 Department of Global Health Entrepreneurship, Tokyo Medical and Dental University, Tokyo, Japan
2 Faculty of Public Health, Hue University of Medicine and Pharmacy, Hue University, Hue, Vietnam
3 Institute for Community Health Research, Hue University of Medicine and Pharmacy, Hue, Vietnam