Funding for this research was provided by:
JSPS KAKENHI (JP17H04659, JP17H04731, JP19H05737)
The Program for Nurturing Global Leaders in Tropical and Emerging Communicable Diseases, Graduate School of Biomedical Sciences,Nagasaki University
Received: 22 October 2020
Accepted: 7 December 2020
First Online: 4 January 2021
Ethics approval and consent to participate
: This study was approved by the ethics committees of the Nepal Health Research Council (Approval # 142/2016) and the Institute of Tropical Medicine, Nagasaki University (# 150226137-3). Each participant in this study was provided detailed information about the research objectives, data collection procedures, benefits, risks, and confidentiality before written informed consent was obtained. In addition, when explaining the research content, we stated that participation in this research is voluntary and that he/she can be excluded from the research subjects at any time.
: Not applicable
: The authors declare that they have no competing interests.