Text and Data Mining valid from 2018-08-06
Received: 1 August 2017
Accepted: 27 July 2018
First Online: 6 August 2018
Ethics approval and consent to participate
: This study was approved by the ethics review committee of Faculty of Medicine, Rajarata University of Sri Lanka in 2012 and has followed standard guidelines in relation to collecting data from study participants. Informed written consent was obtained from the participants prior to collecting data.
: Not applicable
: The authors declare that they have no competing interests.
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