Okui, Nobuo https://orcid.org/0000-0001-5894-5283
Horie, Shigeo
Article History
Received: 9 November 2024
Accepted: 1 August 2025
First Online: 9 August 2025
Competing interests
: The authors declare no competing interests.
: We used Python libraries with machine learning capabilities for statistical analysis and network visualization. However, no generative AI or AI-assisted technologies were used in the writing or editing of the manuscript text.