Received: 9 April 2021
Accepted: 31 December 2021
First Online: 15 January 2022
: The ethical clearance was obtained by the Ethics Review Committee, Faculty of Medical Sciences, University of Sri Jayewardenepura, Sri Lanka. Permissions were obtained from both Head, Department of Family Medicine, and Head, Department of Physiology, Faculty of Medical Sciences, University of Sri Jayewardenepura to conduct the study. All participants were informed that their participation was voluntary and the interventions do not carry any potential risk. Informed written consent was taken from all participants who voluntarily participated and their information was kept confidential.
: Not applicable.
: The authors declare that they have no conflicts of interest.