Gunawardana, S.
Gunasinghe, C. B.
Harshani, M. S.
Seneviratne, S. N.
Article History
Received: 14 September 2020
Accepted: 21 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: Ethical clearance was obtained from Ethics Review Committees of Lady Ridgeway Hospital and Faculty of Medicine, University of Colombo (Reference: CSRP/16/019). Information sheets explaining purpose, risks and benefits of the study were provided, and informed written consent was obtained from the accompanying parent of each participating child.
: Not applicable.
: The authors declare that they have no competing interests.