Funding for this research was provided by:
University of Colombo
Kumi and Heram Bilmoria Trust Fund
Received: 11 November 2021
Accepted: 19 December 2022
First Online: 29 December 2022
: Ethical approval was obtained from the Ethical Review Committee of the National Hospital of Sri Lanka, Colombo (Ref AAJ/ETH/COM/2020/JULY).
: Not applicable.
: The authors declare that they have no competing interests.