Amilani, Uttara
Jayasekara, Prasanna
Perera, Irosha R.
Carter, Hannah E.
Senanayake, Sameera
Kularatna, Sanjeewa
Article History
Received: 11 July 2019
Accepted: 13 January 2020
First Online: 21 January 2020
Ethics approval and consent to participate
: 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.