Ediriweera, Dileepa Senajith
Karunapema, Palitha
Pathmeswaran, Arunasalam
Arnold, Mahendra
Article History
Received: 16 October 2017
Accepted: 24 April 2018
First Online: 2 May 2018
Ethics approval and consent to participate
: We used publicly available data from the Department of Census and Statistics of Sri Lanka for the study.
: The authors declare that they have no competing interests.
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