Wang, Qianhui
Xu, Li
Dong, Ying
Fu, Yuan
Pan, Yuxia
Luan, Qianran
Liu, Ye
Liu, Zheng
Yang, Xinchun
Chen, Mulei
Gao, Yuanfeng
Article History
Received: 3 March 2021
Accepted: 27 April 2021
First Online: 2 May 2021
Declarations
:
: The study protocol was approved by the ethics committee of Beijing Chaoyang Hospital, Capital Medical University and performed in accordance with the ethical standers laid down in the 1964 Declaration of Helsinki and its later amendments. Written informed consents were obtained from all participants.
: Not applicable.
: None.