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Article History

Received: 20 July 2022

Accepted: 21 February 2023

First Online: 9 March 2023

Declarations

:

: This study did not require a review by an ethics committee. In Japan, approval for ethical committee is not necessary when the study do not collect or deal with health related data, however need to respect personal information and free will to participate in research. Although we did not apply for ethical approval for this study, we have described that we conducted the study in accordance with Japanese research guidelines, including anonymity and respect for the respondents’ right to free will to participate in the study.

: Not applicable.

: The authors declare that they have no competing interests.