Funding for this research was provided by:
Scientific Research Projects of Education Department of Liaoning Province (ZF2019024)
Received: 16 May 2021
Accepted: 28 July 2021
First Online: 6 August 2021
: Ethical approval was given by the Fourth Affiliated Hospital of China Medical University Ethics Committee. All patients were informed in advance, and signed explicit informed consent.
: Not applicable.
: The authors declare that they have no competing interests.