Funding for this research was provided by:
Natural Science Foundation of Shandong Province (ZR2020YQ58)
National Natural Science Foundation of China (81972489)
Article History
Received: 18 December 2020
Accepted: 28 May 2021
First Online: 9 June 2021
Declarations
:
: All procedures performed in this study involving were in accordance with the ethical standards of the institutional research committee of Weifang medical university.
: Not applicable.
: The authors declare that they have no competing interests.