Document is current
Any future updates will be listed below
-
Authors
Wang, Li
Liu, Youde
Yu, Haifeng
Ding, Kun
Zou, Zhiqiang
- License Information
-
More Information
Article History
Received: 28 June 2021
Accepted: 5 April 2022
First Online: 20 April 2022
Declarations
:
: This study was approved by the Ethical Committee of Qishan Hospital of Yantai (Ethics number 202201). The requirement for informed consent by individual patients was waived by the Ethical Committee of Qishan Hospital of Yantai due to the retrospective nature of the study.
: Not applicable.
: The authors state that they have no conflict of interest.
