Funding for this research was provided by:
the Education Department of Jilin Province (JJKH20200081KJ)
Jilin Scientific and Technological Development Program (20200403114SF)
Foundation of Doctoral research in BeiHua University (201804)
Article History
Received: 1 October 2020
Accepted: 22 April 2021
First Online: 1 May 2021
Declarations
:
: The project was approved by the Ethics Committee of Beihua University, China. All respondents signed the informed consent form.
: Not applicable.
: No potential conflict of interest was reported by the author(s).