Liu, Yang
Liu, Yecheng
Dai, Jiayuan
Liu, Anlei
Li, Yi
Xu, Jun
Yu, Xuezhong
Liu, Jihai
Zhu, Huadong
Article History
Received: 14 November 2020
Accepted: 6 April 2021
First Online: 17 April 2021
Declarations
:
: The study was approved by the Medical Ethics Committee of Peking Union Medical College Hospital. Written informed consent was waived by the Medical Ethics Committee of Peking Union Medical College Hospital due to the anonymized retrospective nature of the analysis.
: Not applicable.
: The authors declare that they have no conflicts of interest.