Text and Data Mining valid from 2018-06-19
Received: 6 September 2017
Accepted: 31 May 2018
First Online: 19 June 2018
Ethics approval and consent to participate
: Proposal of this research was approved by IRB of the Vietnam Authority of HIV/AIDS Control. Participants were asked to give E-informed consent and were informed that they could withdraw at anytime. Their contact information was coded and ensured to be confidential. In case respondents were under 16, we required written informed parental consent e-form to be filled prior to the survey.
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