Funding for this research was provided by:
Geriatric Education And Research Institute, Singapore (GERI1619, GERI1619)
Received: 18 December 2021
Accepted: 27 July 2022
First Online: 2 August 2022
: All methods were carried out in accordance with relevant guidelines and regulations. The study protocol had been reviewed with ethics approval by SingHealth Institutional Review Board (CIRB Ref No 2018/ 2584). Written informed consent for study participation was provided by all participants before recruitment, or their legally acceptable representative for patients who were unable to provide informed decision.
: Not applicable.
: The authors have no conflict of interest to declare.