Funding for this research was provided by:
Natural Science Foundation of Hunan Province (2022J80040)
Health Commission of Hunan Province (202213053462)
Article History
Received: 21 March 2024
Accepted: 20 May 2024
First Online: 18 June 2024
Declarations
:
: Lidan Yi, Xiaohui Zeng, Zhen Zhou, Qiao Liu declare they have nothing to disclose. The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
: The model used in this analysis was based on previously conducted studies and other economic models; no studies with human participants or animals were performed by any of the authors. Since only existing, non-identifiable data were used to develop the model, the study was deemed exempt from the approval of the Chinese Ethics Review Committee.