About the Authors

Chukiat Sirivichayakul

tmcsw@mahidol.ac.th

Affiliation Department of Tropical Pediatrics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand

Kriengsak Limkittikul

Affiliation Department of Tropical Pediatrics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand

Pornthep Chanthavanich

Affiliation Department of Tropical Pediatrics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand

Vithaya Jiwariyavej

Affiliation Ratchaburi Hospital, Ministry of Public Health, Ratchaburi, Thailand

Watcharee Chokejindachai

Affiliation Department of Tropical Pediatrics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand

Krisana Pengsaa

Affiliation Department of Tropical Pediatrics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand

Saravudh Suvannadabba

Affiliation Department of Disease Control, Ministry of Public Health, Nonthaburi, Thailand

Wut Dulyachai

Affiliation Ratchaburi Hospital, Ministry of Public Health, Ratchaburi, Thailand

G. William Letson

Affiliation International Public Health Consultant, Denver, Colorado, United States of America

Arunee Sabchareon

Affiliation Department of Tropical Pediatrics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CS KL PC VJ WC KP SS WD AS. Performed the experiments: CS KL PC VJ WC KP SS WD AS. Analyzed the data: CS KL. Contributed reagents/materials/analysis tools: KL AS. Wrote the paper: CS GWL AS.