Funding for this research was provided by:
Research, Publication & Higher Degrees Committee, Rajarata University of Sri Lanka (RJT/RP&HDC/2015/FMAS/R/01, RJT/RP&HDC/2017/FMAS/R/01)
Article History
Received: 13 August 2018
Accepted: 15 January 2019
First Online: 23 January 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from the Ethics Review Committee of Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka (ERC/2017/07). Institutional permission was obtained from the chairman, State Pharmaceutical Corporation, Sri Lanka. Informed written consent to participate was obtained from all participants.
: Consent to publish the information provided by the participants was obtained, provided that it will not be possible to identify individual participants in any way.
: The authors declare that they have no competing interests.
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