Amilani, Uttara
Jayasekara, Prasanna
Carter, Hannah E.
Senanayake, Sameera
Kularatna, Sanjeewa
Article History
Received: 16 June 2020
Accepted: 14 April 2021
First Online: 29 April 2021
Declarations
:
: The study is accordance with Helsinki Declaration. The study protocol has been approved by Ethics Committee of Medical Faculty, Colombo, Sri Lanka (Ref. No. EC 15-171). Written informed consent for the participation for the study were obtained by the parent or guardian (children under 16 years old) and students above the 16 years old, given their written informed consent to participate for the study.
: Not applicable.
: The authors declare that they have no competing interests.