Funding for this research was provided by:
Qingdao Municipal Science and Technology Bureau (19-6-1-16-nsh)
Article History
Received: 12 July 2021
Accepted: 24 October 2021
First Online: 30 October 2021
Declarations
:
: The study was approved by the Ethics Committee of the Affiliated Hospital of Qingdao University. The ethics committee waived the requirement for informed consent from all patients.
: Not applicable.
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.