Liang, Xuan
Chen, Xiaohong
Wang, Guyan
Wang, Yue
Shi, Dongjing
Zhao, Meiyi
Zheng, Huachuan
Cui, Xu
Article History
Received: 30 January 2021
Accepted: 18 November 2021
First Online: 3 December 2021
Declarations
:
: This study was approved by the Institutional Review Board (IRB) at Beijing Tongren Hospital. Because patients were not subjected to investigational actions and no identified data would be used, the requirement for written informed consent was waived. We confirmed that all methods were carried out in accordance with relevant guidelines and regulations. The full name of IRB which waived the need for written informed consent is “The Ethics Committee of Beijing Tongren Hospital, Capital Medical University”.
: Not applicable.
: Not applicable.