Li, Zhimin
Li, Zheng
Chen, Xin
Han, Xiao
Li, Kuan
Li, Shugang
Funding for this research was provided by:
CAMS Innovation Fund for Medical Sciences (2017-I2M-2-005)
Article History
Received: 7 May 2021
Accepted: 3 January 2022
First Online: 28 January 2022
Declarations
:
: This retrospective study was approved by the Ethics Committee of Peking Union Medical College Hospital. All methods were carried out in accordance with institutional guidelines and regulations. Due to the retrospective nature of the study, the need for informed consent was waived by the Ethics Committee of Peking Union Medical College Hospital.
: Not applicable.
: The authors declare that they have no competing interests.