Article History
Received: 22 September 2021
Accepted: 1 November 2021
First Online: 15 November 2021
Declarations
:
: Ethics was approved by the SingHealth Institutional Review Board. As this was a retrospective analysis of medical records, waiver of patient's consent was obtained from the ethics board.
: Not applicable.
: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.