Funding for this research was provided by:
Australian National Health and Medical Research Council (GNT1158429, GNT1158429, GNT1158429, GNT1158429)
Vietnam National Foundation for Science and Technology Development (NHMRC.108.01-2018.02, NHMRC.108.01-2018.02, NHMRC.108.01-2018.02, NHMRC.108.01-2018.02)
Received: 4 September 2021
Accepted: 2 March 2022
First Online: 9 March 2022
: This study was a part of a trial study that has been approved by Monash University Human Research Ethics Committee (Certificate Number: 21455), Melbourne, Victoria, Australia; the Institutional Review Board of the Hanoi University of Public Health (488/2019/YTCC-HD3), Hanoi, Vietnam; and Queensland University of Technology's Office of Research Ethics and Integrity (2000000087). Written informed consent was obtained from a parent or guardian for participants under 16 years old.
: Not applicable.
: The authors declares no competing interests.