Funding for this research was provided by:
Ng Teng Fong Health Innovation Program (NTF_JUL2017_I_C2_CQR_01)
Received: 7 July 2020
Accepted: 1 October 2020
First Online: 16 October 2020
Ethics approval and consent to participate
: Ethics approval was obtained through the Institution Review Board prior to the conduct of the study (National Healthcare Group Domain Specific Review Board Ref: 2018/00408). Written consent will be obtained from the study participants.
: The authors declare that they have no competing interest.