Wickramasinghe, Sashimali Anuradha http://orcid.org/0000-0003-4216-4233
Gunathunga, Moraendage Wasantha
Hemachandra, Dewabandu Kumarathungalage Nilmini
Article History
Received: 24 July 2019
Accepted: 27 November 2019
First Online: 9 December 2019
Ethics approval and consent to participate
: The ethical clearance for the study was obtained from the Ethics Review Committee, Faculty of Medicine, University of Colombo, Sri Lanka.Informed written consent was obtained from all the participants prior to participation.
: Not applicable.
: The authors declare that they have no competing interests.