Published on in Vol 5, No 2 (2019): Apr-Jun
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12451, first published
.
1 Viet Nam Authority of HIV/AIDS Control, Ministry of Health, Ha Noi, Vietnam
2 The Joint United Nations Programme on HIV/AIDS, Green One United Nations House, Ha Noi, Vietnam
3 Centers for Disease Control and Prevention, Ha Noi, Vietnam
*these authors contributed equally