Xie, Zongyu
Sun, Haitao
Wang, Jian
Xu, He
Li, Shuhua
Zhao, Cancan
Gao, Yuqing
Wang, Xiaolei
Zhao, Tongtong
Duan, Shaofeng
Hu, Chunhong
Ao, Weiqun
Article History
Received: 25 January 2021
Accepted: 16 June 2021
First Online: 25 June 2021
Declarations
:
: This retrospective study was approved by the Ethics of Committees of the First Affiliated Hospital of Bengbu Medical College, Anhui, China and informed consent for this retrospective study was waived. All of the procedures were performed in accordance with the Declaration of Helsinki in 1964 and relevant policies in China.
: Not applicable.
: The authors declared that there is no conflict of interest.