Zhang, Wancheng
Ling, Jianglong
Zhang, Runping
Dong, Jiyuan
Zhang, Li
Chen, Rentong
Ruan, Ye
Article History
Received: 9 June 2023
Accepted: 16 August 2023
First Online: 25 August 2023
Declarations
:
: This study was conducted in accordance with the principles in the Declaration of Helsinki. The data used in this dissertation were inpatient data collected for administrative purposes and did not contain any identifiable personal information. The Institutional Review Board (IRB) at School of Public Health, Lanzhou University, granted exemptions from obtaining ethical approval and consent to participate because the data collected did not involve any direct or indirect identification of participants. The researchers ensured the privacy and confidentiality of the data throughout the study, adhering to the guidelines and regulations set forth in the Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.