Received: 23 June 2020
Accepted: 28 October 2020
First Online: 10 November 2020
Ethics approval and consent to participate
: Ethics board review was attained and successful before commencement of the study. Consent was taken by the interviewer prior to each interview. Ethical approval was obtained from the National Healthcare Group Ethics Review Board, National University Hospital (NUH), Singapore (Reference 2012/02234).
: Not applicable.
: The authors declare that they have no competing interests.