Funding for this research was provided by:
Major Science and Technology Program of Hainan Province (No. ZDKJ2017007)
Received: 25 December 2020
Accepted: 9 November 2021
First Online: 23 November 2021
: All participants have signed informed consent. And our study was approved by the Ethics committee of the Second Affiliated Hospital of Hainan Medical University and the 1964 Helsinki declaration.
: Not applicable.
: The authors declare that they have no competing interests.