About the Authors

Suneth Agampodi

sunethagampodi@yahoo.com

Affiliation Department of Community Medicine, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka

Thilini Agampodi

Affiliation Department of Community Medicine, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka

Nuwan Wickramasinghe

Affiliation Department of Community Medicine, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka

Santhushya Fernando

Affiliation Department of Community Medicine, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka

Umanga Chathurani

Affiliation Department of Community Medicine, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka

Wathsala Adhikari

Affiliation Department of Community Medicine, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka

Ishani Dharshika

Affiliation Department of Community Medicine, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka

Dhanaseela Nugegoda

Affiliation Department of Community Medicine, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka

Samath Dharmaratne

Affiliation Department of Community Medicine, Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka

David Newlands

Affiliation Department of Economics, Aberdeen University, Scotland, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SA TA. Performed the experiments: SA TA NW SF UC WA ID D. Nugegoda. Analyzed the data: SA D. Newlands. Contributed reagents/materials/analysis tools: SA SD D. Newlands. Wrote the manuscript: SA TA D. Newlands SD D Nugegoda.