Funding for this research was provided by:
research grants council, university grants committee (14103315)
research grants council, university grants committee (T11-706-18N)
aids trust fund (MSS 243 R)
aids trust fund (MSS 304 R)
Article History
Received: 8 July 2021
Accepted: 4 April 2022
First Online: 15 April 2022
Declarations
:
: This study was approved by Joint Chinese University of Hong Kong – New Territories East Cluster Clinical Research Ethics Committee (CREC Ref. No.: 2013.453 and 2015.232) and Ethics Committee of Department of Health (Ref. No.: LM420-2013 and LM323-2015). Written informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare they have no competing interests to report.