Xu, Xiaolin
Wang, Shengru
Yang, Yang
Du, You
Lin, Guanfeng
Zhang, Jianguo
Article History
Received: 16 April 2021
Accepted: 9 July 2021
First Online: 31 July 2021
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee (the Peking Union Medical College Hospital Review Board).Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.