Funding for this research was provided by:
University of Kelaniya (RP/03/SR/02/06/02/2016)
Organization for Women in Science for the Developing World (4500384850)
National Science Foundation (RG/2015/BT/02)
Received: 2 October 2019
Accepted: 16 January 2020
First Online: 18 January 2020
Ethics approval and consent to participate
: Ethical clearance for patient sample collection was obtained from the Ethics Review Committee of the Faculty of Medicine, University of Kelaniya, Kelaniya, Sri Lanka (Reference number-P/119/07/2015). Written patient consent was obtained prior to the sample collection. The patient consent form was obtained from the patients.
: Not applicable.
: The authors declare that they have no competing interests.