Funding for this research was provided by:
the Australian Government’s Research Training Program (RTP) and the Research Support Program (RSP).
Article History
Received: 9 April 2020
Accepted: 3 March 2021
First Online: 16 March 2021
Declarations
:
: The ethical aspects of this research have been approved by the Australian National University Human Research Ethics Committee (Protocol 2015/802) and Ha Noi School of Public Health Institutional Review Board (ID 2015.239.HSPH.239.SETP). The study was also approved by both Ho Chi Minh City and Ha Noi Departments of Health.Participants were given the choice of written or verbal consent. This is in anticipation that some participants might be illiterate or find written consent too intrusive given the social political situation of the country. The use of verbal consent was approved by both aforementioned Ethic Committees.
: Not applicable.
: The authors report no conflict of interest.