Pan, Yubo
Ma, Xun
Feng, Haoyu
Chen, Chen
Qin, Zhiyong
Huang, Yi
Article History
Received: 9 January 2020
Accepted: 4 August 2020
First Online: 10 August 2020
Compliance with ethical standards
:
: All authors declare that they have no competing interests.
: This study was approved by the ethics committee of Shanxi Da Hospital.
: Informed consent was waived due to the retrospective nature of the study.