Text and Data Mining valid from 2019-11-06
Received: 13 August 2019
Accepted: 31 October 2019
First Online: 6 November 2019
Change Date: 22 January 2020
Change Type: Correction
Change Details: After publication of the original article , the authors became aware of a typographical error in the original Table 1. Nucleotide substitution c.1425C>A corresponding to amino acid change p.(Ala344Asp) should be corrected as c.1031C>A.
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.