Perera, K. C.
Mapitigama, K. N.
Abeysena, T. C.
Article History
Received: 19 June 2020
Accepted: 11 April 2022
First Online: 25 April 2022
Declarations
:
: Ethical clearance was obtained from the Ethics Review Committee (ERC), National Institute of Health Science (NIHS), Kalutara, Sri Lanka (ref number NIHS/ERC/18/06R). Informed written consent was obtained from each of the selected participants during the study. The confidentiality of the information was highly maintained. Administrative clearance to conduct the study was obtained from the Provincial Director of Health Services/Western Province, and the Regional Director of Health Services/Kalutara district.
: Not applicable.
: The authors declared that they have no competing interests.