Sun, Xiaolin
Yao, Bo
Shi, Kexin
Xue, Yajiong
Liang, Huigang
Article History
Received: 2 March 2021
Accepted: 27 October 2021
First Online: 6 November 2021
Declarations
:
: This research protocol was approved by the academic ethics committee of Xi’an University of Finance and Economics (XUFE). All methods were performed in accordance with the relevant guidelines and regulations specified by the academic ethics committee of XUFE. The requirement of the informed consent was waived for this study by the academic ethics committee of XUFE because only archival data were collected and analyzed for this research.
: Not applicable.
: The authors declare no competing interests.