Hettige, Samankumara http://orcid.org/0000-0001-6698-4469
Dasanayaka, Eshani
Ediriweera, Dileepa Senajith
Article History
Received: 27 June 2019
Accepted: 20 January 2020
First Online: 28 January 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Review Committee at Faculty of Medicine, University of Kelaniya. Written consent was obtained from the students who participated in the study.
: Not applicable.
: The authors declare that they have no competing interests.