Zheng, Liang
Zheng, Fufu
Xing, Zhaomin
Zhang, Yunjian
Li, Yongxin
Xu, Hongbiao
Lai, Yuanhui
Li, Jie
Wang, Wenjian
Article History
Received: 12 March 2021
Accepted: 18 May 2021
First Online: 29 May 2021
Declarations
:
: The study was approved by the Institute Research Ethics Committee of the First Affiliated Hospital of Sun Yat-sen University granted permission for this retrospective study. The informed consent was obtained from all participants or from a parent and/or legal guardian. All procedures performed in this study were in accordance with relevant national and/or international guidelines and regulations.
: Not applicable.
: The authors declare that there are no potential conflicts of interest disclosed.