Liang, Yanting
Zhu, Yaxi
Lin, Huan
Zhang, Shenyan
Li, Suyun
Huang, Yanqi
Liu, Chen
Qu, Jinrong
Liang, Changhong
Zhao, Ke
Li, Zhenhui
Liu, Zaiyi
Article History
Received: 19 April 2021
Accepted: 16 June 2021
First Online: 25 June 2021
Declarations
:
: The study was performed in accordance with the Declaration of Helsinki. The institutional review board of the Sixth Affiliated Hospital of Sun Yat-sen University approved this retrospective study (approval no. 2019ZSLYEC-169 date: 2019-06-12), and the informed consent was waived by the same ethics committee that approved the study (Sixth Affiliated Hospital of Sun Yat-sen University).
: Not applicable.
: The authors declared no conflicts of interest.