Chen, Song
Xu, Bo
Wu, Zhiqiang
Wang, Pengfei
Yu, Weiguang
Liu, Zhiyong
Huang, Xiaoyong
Wu, Yanqing
Li, Tengfei
Guo, Wenbo
Article History
Received: 3 May 2021
Accepted: 5 October 2021
First Online: 19 October 2021
Declarations
:
: All methods were carried out according to the relevant guidelines and regulations of the institutional and/or national research committee and the 1964 Helsinki declaration. This study was strictly retrospective and involving the collection of existing data and records and therefore the need for informed consent was waived by the Institutional Review Board (IRB) of the First Affiliated Hospital, Sun Yat-sen University. This study was approved by the IRB of the First Affiliated Hospital, Sun Yat-sen University (IRB18–2246).
: Not applicable.
: The authors declare that there is no conflict of interest.