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Article History

Received: 25 June 2024

Accepted: 6 November 2024

First Online: 14 November 2024

Declarations

:

: The protocol was approved by the Ethics Review Committee of Chiba University School of Medicine (Registration number: M10352) in accordance with the Ethical Guidelines for Medical and Health Research Involving Human Subjects as well as the Declaration of Helsinki. Informed consent forms were available on the web which were filled out by the parents. A plain-language children’s assent document was also available on the web to ensure that both the parents and the children were willing to participate.

: Not applicable.

: The authors declare no competing interests.