Received: 16 April 2020
Accepted: 10 December 2020
First Online: 17 December 2020
Ethics approval and consent to participate
: Exemption from ethical approval was obtained from the SingHealth Centralised Institutional Review Board (CIRB Ref: 2020/2089), as the research involved survey without identifiers. Answering the survey served as implicit consent, i.e., informed consent was taken.
: Not applicable.
: The authors declare that they have no competing interests.