Funding for this research was provided by:
SingHealth Seed Fund (SHP-SEED50-2019)
Received: 6 July 2020
Accepted: 20 January 2021
First Online: 6 March 2021
Ethics approval and consent to participate
: Ethics approval was granted by the SingHealth Central Institutional Review Board (2018/3232). All participants provided signed informed consent.
: Not applicable.
: The authors declare that they have no competing interests.