Ma, L.
Li, D. H.
Xu, Z.
Article History
Received: 9 November 2021
Revised: 29 December 2021
Accepted: 29 December 2021
First Online: 29 April 2022
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest</i>. The authors declare that they have no conflicts of interests.<i>Statement of compliance with standards of research involving humans as subjects</i>. The experimental strategy was performed in accordance with the Declaration of Helsinki and was authorized by the ethics committee of Qingdao Municipal Hospital, Qingdao University.All subjects agreed to participate in this study and signed a complete informed consent form.
: The text was submitted by the authors in English.