Zhao, Kaikai
Si, Youjiao
Sun, Liangchao
Meng, Xiangjiao http://orcid.org/0000-0001-7380-5510
Yu, Jinming
Funding for this research was provided by:
National Natural Science Foundation of China (81972796, 81972863)
Natural Science Foundation of Shandong Province (ZR2019MH010)
Article History
Received: 1 June 2020
Accepted: 6 October 2020
First Online: 21 October 2020
Ethical approval and consent to participate
: The requirement of patients’ consent was waived because this was a retrospective study.
: Manuscript is approved by all authors for publication.
: The authors declared that they have no conflicts of interest to this work.