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Article History

Received: 2 April 2018

Accepted: 30 July 2018

First Online: 7 August 2018

Ethics approval and consent to participate

: This study is one of the epidemiological studies conducted by the Science and Technology Research Partnership for Sustainable Development (SATREPS) project supported by the Japan Agency for Medical Research and Development and the Japan International Cooperation Agency. The SATREPS project obtained the ethical approval from the National Ethics Committee for Health Research, National Institute of Public Health, Ministry of Health, in Lao PDR (reference number 049NIOPH/NECHR) in 2014. We conducted this study under this project. The Research Ethics Committee of the University of Tokyo also approved this study in 2015(reference number 10928).We strictly protected the privacy of the participants. After fecal examination, the results were sent to Yommalath district hospital and announced to village leaders or health workers so that the mothers would know the results from them. If they were Ov positive, they could select either to wait for the next mass drug administration of praziquantel, which was planned to start in October 2015, or to go to the district hospital to get praziquantel free of charge.

: Not applicable.

: The authors declare that they have no competing interests.

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