Liu, Shuxin
Wu, Qijun
Zhang, Shuang
Wang, Zhihong
Liu, Hong
Teng, Lanbo
Xiao, Ping
Lu, Yan
Wang, Xuena
Dong, Cui
Xiao, Jia
Zhang, Jiayu
Article History
Received: 5 March 2021
Accepted: 13 December 2021
First Online: 3 January 2022
Declarations
:
: The study protocol was approved by the institutional medical ethics committee of the Dalian Central Hospital. All participants or a next of kin of the participants were provided written informed consent before data collection. The present study was performed in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.