Funding for this research was provided by:
Research, Publication & Higher Degrees Committee, Rajarata University of Sri Lanka (RJT/RP&HDC/2017/FMAS/R/01)
Article History
Received: 2 March 2018
Accepted: 1 June 2018
First Online: 26 June 2018
Ethics approval and consent to participate
: Not applicable. Institutional permission was obtained from the director of Teaching Hospital Anuradhapura, to retrieve relevant data from the record room.
: The authors declare that they have no competing interests.
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