Xu, Ling
Liu, Yubin
Song, Xiaojing
Li, Yanling
Han, Yang
Zhu, Ting
Cao, Wei
Li, Taisheng
Article History
Received: 16 March 2021
Accepted: 28 April 2021
First Online: 3 June 2021
Declarations
:
: The Ethic Committee of Peking Union Medical College Hospital approved this study, and all the participant provided written informed consent. All methods were performed in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.