Chen, Bo
Feng, Hongbo
Xie, Jinghui
Li, Chun
Zhang, Yu
Wang, Shaowu http://orcid.org/0000-0002-2221-1154
Funding for this research was provided by:
National Natural Science Foundation of China (grant numbers. 8177,1804)
Article History
Received: 20 March 2020
Accepted: 16 July 2020
First Online: 25 July 2020
Ethics approval and consent to participate
: The study involving human participants was conducted in accordance with the ethical standards of the institutional research committee (the First Affiliated Hospital of Dalian Medical University, YJ-KY-FB-2020-04). The retrospective study was approved by the Institutional Review Board (the First Affiliated Hospital of Dalian Medical University), and owing to the retrospective design, the requirement for informed consent was waived.
: Not applicable.
: The authors declare that they have no competing interests.