Pan, Jing Wen
Komar, John
Kong, Pui Wah
Article History
Received: 2 December 2020
Accepted: 8 January 2021
First Online: 2 February 2021
Ethics approval and consent to participate
: All methods of this study were performed in accordance with the Declaration of Helsinki and were approved by the Nanyang Technological University Institutional Review Board (Protocol Number: IRB-2019-05-013). All participants provided written informed consent to before the start of the study. For minor participants under 21 years old, parental consent was also obtained.
: Not applicable.
: The authors declare that they have no competing interests.