Rathnayake, Nirmala
Alwis, Gayani
Lenora, Janaka
Lekamwasam, Sarath
Funding for this research was provided by:
National Research Council Sri Lanka (NRC 15-023)
Faculty Research Grants, Faculty of Medicine, University of Ruhuna
Article History
Received: 3 October 2017
Accepted: 16 July 2018
First Online: 31 July 2018
Ethics approval and consent to participate
: Ethical clearance for the study was obtained from the Ethical Review Committee, Faculty of Medicine, University of Ruhuna, Sri Lanka. Informed written consent was obtained from each participant prior to the commencement of the study.
: Not applicable
: The authors declare that they have no competing interests.
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