Funding for this research was provided by:
Ceylon College of Physicians
Received: 24 April 2022
Accepted: 18 July 2022
First Online: 17 August 2022
: Ethics approval was obtained from ethics review committees of the National Hospital of Sri Lanka (AAJ/ETH/COM/2019/21) and Postgraduate Institute of Medicine, University of Colombo (PGIM/ERC/2019/203). Informed written consent was taken from all the participants. The study was carried out adhering to the ‘Declarations of Helsinki—ethical principles for medical research involving human subjects’.
: Not applicable.
: All the authors declare that there is no conflict of interest regarding the publication of this manuscript.