Sirisena, Nirmala D. http://orcid.org/0000-0003-0994-6954
Samaranayake, Nilakshi
Dissanayake, Vajira H. W.
Funding for this research was provided by:
University of Colombo (AP/3/2/2015/PG/07)
University Grants Commission - Sri Lanka (UGC/DRIC/PG/2015(i)/CMB/01)
Article History
Received: 7 June 2019
Accepted: 23 July 2019
First Online: 1 August 2019
Ethics approval and consent to participate
: Written, informed consent from all study participants. Ethical clearance to conduct this study was obtained from the Ethics Review Committee, Faculty of Medicine, University of Colombo (EC-15-082).
: Not applicable.
: The authors declare that they have no competing interests.