About the Authors

Kithsiri Gunawardena

Affiliation Department of Parasitology, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka

Balachandran Kumarendran

Affiliation Department of Public Health, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka

Roshini Ebenezer

Affiliation Department of Infectious Disease Epidemiology, Faculty of Medicine, Partnership for Child Development, Imperial College London, St Mary's Campus, London, United Kingdom

Muditha Sanjeewa Gunasingha

Affiliation Department of Parasitology, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka

Arunasalam Pathmeswaran

Affiliation Department of Public Health, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka

Nilanthi de Silva

nrdesilva@gmail.com

Affiliation Department of Parasitology, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KG BK RE AP NdS. Analyzed the data: BK AP. Wrote the paper: KG NdS. Supervised data collection in the field and laboratory investigations: KG BK RE MSG.