Liu, Xin
Zhang, Dengfeng
Zhao, Fangchao
Li, Shujun http://orcid.org/0000-0001-5959-3160
Zhu, Haiyong
Zhang, Xu
Funding for this research was provided by:
Department of Health of Hebei Province (20210373)
Article History
Received: 21 March 2024
Revised: 1 August 2024
Accepted: 13 August 2024
First Online: 22 August 2024
Competing interests
: The authors declare no competing interests.
: All methods in this study were conducted in strict accordance with relevant guidelines and regulations to ensure compliance and scientific integrity. The data we use are from published studies approved by the appropriate ethics committees, so no further ethical approval is required for this study. The data used in this study were sourced from publicly available databases, and no new informed consent procedures were conducted. However, all data used had received ethical approval in the original studies, and the use of publicly available data complies with all relevant ethical and legal requirements. This study did not involve the publication of identifiable human images; therefore, written informed consent for image publication is not applicable.