Zhang, Jie
Liu, Qingwei
Li, Jie
Liu, Zhiling
Wang, Ximing
Li, Na
Huang, Zhaoqin
Xu, Han
Funding for this research was provided by:
the Primary Research & Development Plan of Shandong Province (2016GSF201095)
the Academic Promotion Program of Shandong First Medical University (2019QL023)
Article History
Received: 21 March 2022
Accepted: 8 July 2022
First Online: 18 July 2022
Declarations
:
: Informed consent was waived by the ethics review board of Shandong Provincial Hospital Affiliated to Shandong First Medical University because this is a retrospective analysis. All methods were performed in accordance with the Declaration of Helsinki and the study was approved by the ethics review board of Shandong Provincial Hospital Affiliated to Shandong First Medical University (Approval No.: SWYX2020-051).
: Not applicable.
: The authors declare that they have no competing interests.