Watanabe, Daiki
Inoue, Yumiko
Miyachi, Motohiko
Funding for this research was provided by:
Japan Society for the Promotion of Science (23K16780)
Article History
Received: 23 August 2023
Accepted: 23 November 2023
First Online: 29 November 2023
Declarations
:
: The National Health and Nutrition Survey, Japan, was conducted according to the guidelines laid down in the Declaration of Helsinki. In the National Health and Nutrition Survey, Japan study procedures as well as the risks associated with participating were explained and written informed consent was obtained from all the participants. An ethical review was deemed unnecessary by the Research Ethics Committee of Waseda University because we used only data of annual reports and summary tables that were anonymised and contained no information that could be used to identify the individuals, in accordance with the Ethical Guidelines of Epidemiological Research established by the Ministry of Education, Culture, Sports, Science and Technology and the Ministry of Health, Labour and Welfare.
: Not applicable.
: The authors declare no competing interests.