Funding for this research was provided by:
Japan Society for the Promotion of Science (Grant-in-Aid for Scientific Research (C) (18K02325))
Received: 23 December 2020
Accepted: 2 February 2022
First Online: 21 February 2022
: The study procedures were in accordance with the Helsinki Declaration. The study was approved by the ethics committee of National Center for Global Health and Medicine, Japan and University of Rajshahi, Bangladesh. Participants’ anonymity was preserved. Proper permission from the participating school authorities and written informed consent from all participants (school going adolescents) and their parents or legal guardians were obtained.
: Not applicable.
: The authors declare that they have no competing interests.