Funding for this research was provided by:
Japan Society for the Promotion of Science (JSPS) Asia Africa Science Platform Program
JSPS KAKENHI (23406022)
Cooperative Research Grants from Joint Usage/Research Centre on Tropical Disease, Institute of Tropical Medicine, Nagasaki University (2011-Ippan-7)
Medical Committee Netherlands-Vietnam
Received: 12 May 2018
Accepted: 10 September 2018
First Online: 18 September 2018
Ethics approval and consent to participate
: The study was reviewed and approved by the research ethics committee of the Provincial Health Department of Savannakhet and the Provincial Health Department of Quang Tri. Human sample analysis was approved by the ethics committee, Institute of Tropical Medicine, Nagasaki University (10121662-5). All adult volunteers provided informed consent, and for children, consent was obtained from close relatives.
: Not applicable.
: The authors declare that they have no competing interests.
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