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Authors
Wijerathna, Tharaka
Gunathilaka, Nayana
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Article History
Received: 5 February 2020
Accepted: 28 May 2020
First Online: 5 June 2020
Ethics approval and consent to participate
: Ethical approval was obtained for this study from the Ethics Review Committee of the Faculty of Medicine, University of Kelaniya, Sri Lanka (Reference No. P/204/12/2016)
: Not applicable.
: The authors declare that they have no competing interests.
