Text and Data Mining valid from 2020-05-06
Received: 23 October 2019
Accepted: 27 April 2020
First Online: 6 May 2020
Ethics approval and consent to participate
: Ethical clearance for the study was obtained from the Ethical Review Committee (ERC) of the Faculty of Medicine, University of Kelaniya, Sri Lanka (P/272/11/2017). Further, written consents from plantation owners were obtained to carry out entomological investigations and interventional study.
: Not applicable.
: The authors declare that they have no competing interests.