Document is current

Article History

Received: 27 February 2025

Accepted: 9 April 2026

First Online: 1 May 2026

Declarations

:

: The authors have no competing interests to declare that are relevant to the content of this article.

: Ethical review was not required for this study. According to the Office for Life Science Research Ethics and Safety at the University of Tokyo, interview surveys requiring ethical consideration—such as those involving sensitive personal or private information—are encouraged to seek ethical review; however, since this study did not involve any such topics, it was deemed exempt from ethical review (as stated in the manuscript).

: Informed consent was obtained verbally from all interview participants prior to data collection.