Sun, Rui-Jie
Yin, Dong-mei
Yuan, Dai
Liu, Shu-yan
Zhu, Jing-jing
Shan, Ning-ning http://orcid.org/0000-0001-6521-231X
Article History
Received: 8 November 2020
Accepted: 7 October 2021
First Online: 18 October 2021
Declarations
:
: Informed consent was obtained from each participating patient and/or legal guardian. Ethical approval for the study was obtained from the Medical Ethics Committee of Shandong Provincial Hospital affiliated with Shandong University and Shandong Provincial Hospital affiliated with Shandong First Medical University.
: Not applicable.
: The authors have no competing interests to declare.