Jing, Changqing
Chen, Yuezhi
Shang, Liang
Wang, Jinshen
Lian, Guodong
Tian, Feng
Shao, Yixue
Zhao, Yingnan
Xuan, Jianwei
Li, Leping
Article History
Received: 31 October 2021
Accepted: 7 February 2022
First Online: 7 May 2022
Declarations
:
: This study was approved by the Institutional Review Board of Shandong Provincial Hospital. All procedures performed in this study involving human participants were following the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.