Peng, Ping
Dong, Zhonggen
Wei, Jianwei
Liu, Lihong
Luo, Zhaobiao
Cao, Shu
Article History
Received: 2 March 2021
Accepted: 23 March 2021
First Online: 28 March 2021
Declarations
:
: All methods in this retrospective study were carried out in accordance with the Declaration of Helsinki. This study was approved by the Institutional Review Board Committee of The Second Xiangya Hospital, Central South University ((2020) Ethics review [Clinical Research] NO: (099)). Informed consent was obtained from all patients.
: Informed consent was obtained from all patients for their data to be published in our study.
: The authors declare that they have no competing interests.