Funding for this research was provided by:
University Grants Commission-Sri Lanka (UGC/DRIC/PG/2015(I)/RUSL/01)
Text and Data Mining valid from 2018-11-12
Received: 10 June 2018
Accepted: 29 October 2018
First Online: 12 November 2018
Ethics approval and consent to participate
: Ethical clearance to conduct the study was obtained from the Ethics Review Committee of the Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka (Reference no: ERC/2014/057). Informed written consent from all the participants were obtained prior to data collection. (All the participants were above the age of 16 years).
: Not applicable.
: The authors declare that they have no competing interests.
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