Funding for this research was provided by:
Natural Science Foundation of Ningxia Province (No. 2020AAC03188)
Received: 7 June 2021
Accepted: 28 September 2022
First Online: 14 October 2022
: This study was conducted according to the guidelines laid down in the Declaration of Helsinki and all procedures involving research study participants were approved by the Ethics Committee of Ningxia Medical University (No. 2020–066). Written informed consent was obtained from all subjects.
: Not applicable.
: The authors declare that they have no competing interests.