LU, XI
Article History
Received: 18 April 2025
Accepted: 6 April 2026
First Online: 15 April 2026
Ethics
Competing interests: The author declares no competing interests.
Ethical approval: Ethical approval was not required as this study did not involve human participants or the use of identifiable personal data. The analysis was based exclusively on publicly available secondary data.
Informed consent: Not applicable. This study did not involve direct interaction with human participants or the collection of identifiable personal data.