Text and Data Mining valid from 2019-11-06
Received: 13 August 2019
Accepted: 31 October 2019
First Online: 6 November 2019
Ethics approval and consent to participate
: Ethics approval for the study was obtained by the Faculty of Medicine, University of Colombo Ethics Review Committee and consent for genetic testing was obtained from the parents or guardians of the children.
: The database is anonymized hence consent for publication was not required according to the Ethics Review Committee decision.
: The authors declare that they have no competing interests.