Shi, Xinge
Xu, Ming
Yu, Xu
Lu, Yibin
Article History
Received: 6 March 2020
Accepted: 11 June 2020
First Online: 18 June 2020
Ethics approval and consent to participate
: The Institutional Research and Ethics Committee of the Xinyang Central Hospital approved this study for human subjects. Because this retrospective study only collected clinical data, the Institutional Research and Ethics Committee waived the need to obtain consent.
: Not applicable.
: The authors declare that they have no competing interests.