Funding for this research was provided by:
National Research Council Sri Lanka (16-023)
Article History
Received: 10 August 2020
Accepted: 26 October 2020
First Online: 2 November 2020
Compliance with ethical standards
: Approval for the study was obtained from the Ethics Review Committee, Institute of Biology, Sri Lanka (ERC IOBSL 135), and the study was performed in line with the principles of the Declaration of Helsinki. Written informed consent was obtained from all individual participants included in the study.
: The authors declare that they have no conflict of interest.