Xue, Yuan
Li, Shan
Xiang, Yuanyuan
Wang, Ziran
Wang, Fengyun
Yu, Yuanying
Yan, Peng
Liu, Xiaohui
Sun, Qinjian
Du, Yifeng
Li, Jifeng
Article History
Received: 25 October 2021
Accepted: 23 December 2021
First Online: 3 January 2022
Declarations
:
: The Ethics Committee of the Shandong Provincial Hospital Affiliated to Shandong First Medical University approved the study protocol. Written informed consent was obtained from all participants, and the study was conducted in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.