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Authors
Rathnayake, Nadeeka https://orcid.org/0000-0003-2880-3588
De Silva Weliange, Shreenika
Guruge, G. N. Duminda
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Article History
Received: 8 July 2019
Accepted: 4 October 2021
First Online: 8 November 2021
Declarations
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: Ethical clearance was obtained from the Ethics Review Committee of the Faculty of Applied Sciences, Rajarata University of Sri Lanka. Informed written consent was obtained from all study participants (mothers) and one of the parents for children under 16. Informed written consent was obtained from children above 16.
: Not applicable.
: The authors declare that they have no competing interests.
