Funding for this research was provided by:
World Health Organization
Japan Society for the Promotion of Science (26360029, 17H04513, 20H04411)
Received: 29 November 2021
Accepted: 20 February 2022
First Online: 1 March 2022
: This study was reviewed and approved by the research ethics committee of the National Institute of Malariology, Parasitology, and Entomology, Ministry of Health, Vietnam (366/QD118-VSR) and by the ethics committee of Fujita Health University, Japan (HM17-050) and Nagasaki University, Japan (10121662-5 and NU_TMGH 2020_125_1). Patients were informed of the objectives, processes, and procedures of this study, and written or oral informed consent was obtained.
: Not applicable.
: The authors declare that they have no competing interests.