Jing, Lizhong
Wang, Xiaole
Qu, Xiaoliang
Liu, Kun
Wang, Xiaotan
Jiang, Lu
Wu, Di
Zhang, Zhiwei
Li, Zhuang
Yu, Le
Wang, Shaoshan
Yang, Jiushan
Article History
Received: 22 June 2020
Accepted: 5 July 2021
First Online: 9 August 2021
Declarations
:
: This study was approved by the Institutional Ethics committee of Affiliated Hospital to Shandong University of TCM, China (No. 2019-025-KY). A certificate of approval has been provided. The requirement of informed consent was exempted due to the retrospective nature of the study.
: Not applicable.
: The authors declare that they have no competing interests.