About the Authors

H. Asita de Silva

asita@sltnet.lk

Affiliation Clinical Trials Unit, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka

Arunasalam Pathmeswaran

Affiliation Clinical Trials Unit, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka

Channa D. Ranasinha

Affiliation Clinical Trials Unit, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka

Shaluka Jayamanne

Affiliation Polonnaruwa General Hospital, Polonnaruwa, Sri Lanka

Senarath B. Samarakoon

Affiliation Polonnaruwa General Hospital, Polonnaruwa, Sri Lanka

Ariyasena Hittharage

Affiliation Kurunegala Teaching Hospital, Kurunegala, Sri Lanka

Ranjith Kalupahana

Affiliation Kurunegala Teaching Hospital, Kurunegala, Sri Lanka

G. Asoka Ratnatilaka

Affiliation Kurunegala Teaching Hospital, Kurunegala, Sri Lanka

Wimalasiri Uluwatthage

Affiliation Hambantota General Hospital, Hambantota, Sri Lanka

Jeffrey K. Aronson

Affiliation Department of Primary Health Care, University of Oxford, Oxford, United Kingdom

Jane M. Armitage

Affiliation Clinical Trial Service Unit, University of Oxford, Oxford, United Kingdom

David G. Lalloo

Affiliation Liverpool School of Tropical Medicine, Liverpool, United Kingdom

H. Janaka de Silva

Affiliation Clinical Trials Unit, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

ICMJE criteria for authorship read and met: HAdS AP CDR SJ SBS AH RK GAR WU JKA JMA DGL HJdS. Agree with the manuscript's results and conclusions: HAdS AP CDR SJ SBS AH RK GAR WU JKA JMA DGL HJdS. Designed the experiments/the study: HAdS CDR AH JKA JMA DGL HJdS. Analyzed the data: HAdS AP JKA JMA DGL. Collected data/did experiments for the study: HAdS SJ SBS AH RK GAR WU. Enrolled patients: HAdS SJ SBS AH RK GAR WU. Wrote the first draft of the paper: HAdS CDR HJdS. Contributed to the writing of the paper: HAdS AP CDR SJ SBS JKA DGL HJdS. Provided comments on the manuscript: JMA. Participated in the design; supervised the study: HJdS.