Ming, Ying
Chen, Xinyi
Xu, Jingxu
Zhan, Haiyu
Zhang, Jie
Ma, Teng
Huang, Chencui
Liu, Zhiling
Huang, Zhaoqin http://orcid.org/0000-0002-2069-3401
Funding for this research was provided by:
natural science foundation of shandong (NO. ZR2020MH289)
academic promotion programme of shandong first medical university (2019QL023)
Article History
Received: 19 July 2021
Revised: 19 September 2021
Accepted: 20 September 2021
First Online: 13 October 2021
Declarations
:
: The authors have no conflicts of interest to declare that are relevant to the content of this article.
: The study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of Shandong Provincial Hospital (Date2021-07-07/ No. 2021-257).
: The requirement for informed consent was waived due to the retrospective nature of the study.
: Not applicable.