Weerakkody, Ranga Migara
Sheriff, Mohammed Hussain Rezvi
Article History
Received: 30 August 2019
Accepted: 28 September 2019
First Online: 11 October 2019
Ethics approval and consent to participate
: Ethics approval was taken from the Ethics review committee of the National Hospital of Sri Lanka.
: Not applicable.
: The authors declare that they have no competing interests.