Liu, Liyu
Si, Meng
Ma, Hecheng
Cong, Menglin
Xu, Quanzheng
Sun, Qinghua
Wu, Weiming
Wang, Cong
Fagan, Michael J.
Mur, Luis A. J.
Yang, Qing
Ji, Bing
Funding for this research was provided by:
Research and Development Program of Jinan (201907064)
National Natural Science Foundation of China (61673246)
Article History
Received: 3 June 2021
Accepted: 2 February 2022
First Online: 10 February 2022
Declarations
:
: A retrospective study was conducted, which complied with the World Medical Association Declaration of Helsinki. The study obtained Research Ethic Committee of Qilu Hospital of Shandong University approval (KYLL-2020(KS)-743). Moreover, owing to the retrospective nature of the study, informed consent was not required, which was also approved by Research Ethic Committee of Qilu Hospital of Shandong University.
: Not applicable.
: The authors declare that they have no competing interests.