Text and Data Mining valid from 2019-06-21
Received: 27 March 2018
Accepted: 17 June 2019
First Online: 21 June 2019
Ethics approval and consent to participate
: Was obtained from the ethical review committee, Teaching Hospital Kandy Sri Lanka and to participate in the study informed written consent obtained from the patients or guardians.
: Not applicable.
: The authors declare that they have no competing interests.