Wang, Wenlong
Yang, Zhi
Ouyang, Qianhui
Article History
Received: 2 February 2020
Accepted: 3 July 2020
First Online: 15 July 2020
Ethics approval and consent to participate
: This study was a retrospective study. And the study protocols were approved by the Ethics Committee of Xiangya Hospital, Central South University (Changsha, China).
: Not applicable.
: The authors declare that they have no competing interests.