Zhang, Zheng
Song, Yan
Kang, Jianbang
Duan, Surong
Li, Qi
Feng, Fuqiang
Duan, Jinju
Funding for this research was provided by:
Natural Science Foundation of Shanxi Province (201901D111390)
Article History
Received: 3 March 2021
Accepted: 9 August 2021
First Online: 17 August 2021
Declarations
:
: This study was approved by the Ethics Committee of Second Hospital of Shanxi Medical University (Reference Number 2019YX-278). The Ethics Committee granted permission to access the raw data and they also approved the waiver of informed consent to participate in this study due to its retrospective design. All patient data were anonymous prior to the analysis.
: Not applicable.
: The authors declare that they have no competing interests.