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Authors
Amarasena, W. D. J. K. https://orcid.org/0000-0003-4064-5252
Goonewardena, Sampatha
Wijeratne, K. D. B. M.
Silva, Vajirapani De
Gamage, Deepa
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Article History
Received: 15 June 2025
Accepted: 22 December 2025
First Online: 27 December 2025
Declarations
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: The study was conducted in accordance with the Declaration of Helsinki, and approved by the Ethics Committee in the Post Graduate Institute of Medicine Colombo 22nd July 2022 to 22nd July 2023 and the research ethics review committee of WHO regional office for South-East Asia (SEARO-ERC) 23rd August 2022. Informed written consent was secured before the study. All measures were taken to minimize risk and maximize benefits. Participation was voluntary, with the option to withdraw at any time without penalty or loss of medical care. Informed written consent was obtained from all subjects involved in the study to publish this paper. For participants who were illiterate, written informed consent was obtained from their legally authorized representatives or guardians in accordance with ethical guidelines.
: Not applicable.
: The authors declare no competing interests.
