About the Authors

Chukiat Sirivichayakul, Kriengsak Limkittikul, Pornthep Chanthavanich, Watcharee Chokejindachai, Krisana Pengsaa, Arunee Sabchareon
Department of Tropical Pediatrics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand

Vithaya Jiwariyavej, Wut Dulyachai
Ratchaburi Hospital, Ministry of Public Health, Ratchaburi, Thailand

Saravudh Suvannadabba
Department of Disease Control, Ministry of Public Health, Nonthaburi, Thailand

G. William Letson
International Public Health Consultant, Denver, Colorado, United States of America

Corresponding Author

tmcsw@mahidol.ac.th

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.