Funding for this research was provided by:
Anhui Science and Technology Department (18030801133)
Science and Technology Service Network Plan (KFJ-STS-ZDTP-079)
Article History
Received: 10 September 2020
Accepted: 16 November 2020
First Online: 23 November 2020
Ethics approval and consent to participate
: Written informed consent was obtained from all participants before the examination started. This study was conducted in accordance with the ethical standards.
: All authors provided written comments on drafts of the article, with additional analyses and revisions made as a result of such feedback.
: The authors declare that there are no conflicts of interest.