Funding for this research was provided by:
Ministry of Education - Singapore (MOE2019-T2-1-019)
Received: 25 February 2021
Accepted: 10 July 2021
First Online: 2 August 2021
: Ethical approval for the current study was obtained from The Institutional Review Board at Nanyang Technological University (NTU), Singapore (Ref: IRB-2020-04-014). All participants gave their informed consent to participate in the study. This study was conducted according to the guidelines and procedures involving human subjects, which were approved by the Institutional Review Board.
: All participants gave their informed consent for publication.
: The authors declare that there are no competing interests regarding the study.