Sun, Weikai
Liu, Shunli
Guo, Jia
Liu, Song
Hao, Dapeng
Hou, Feng
Wang, Hexiang
Xu, Wenjian https://orcid.org/0000-0002-1541-6063
Article History
Received: 9 June 2020
Accepted: 27 January 2021
First Online: 6 February 2021
Ethics approval and consent to participate
: Ethical approval was obtained by the local institutional review board (Ethical Committee of Affiliated Hospital of Qingdao University).
: Not applicable.
: The authors of this article declare no relationships with any companies whose products or services may be related to the subject matter of the article.