Ren, Zhongyu http://orcid.org/0000-0002-7280-7669
Cao, Jianhua
Li, Yingke
Cheng, Peng
Cao, Bing
Hao, Zongji
Yao, Hui
Shi, Dongzhe
Liu, Bin
Chen, Chang
Yang, Guang
Peng, Li
Guo, Liya
Funding for this research was provided by:
Fundamental Research Funds for the Central Universities (SWU1909734, SWU1909105, SWU1709116)
Southwest University's Training Program of Innovation and Entrepreneurship for Undergraduates (X201910635122)
2020 Chongqing Municipal Education Commission Humanities and Social Sciences Research Project (20SKGH364)
Article History
Received: 23 January 2020
Accepted: 5 July 2020
First Online: 31 July 2020
Ethics approval and consent to participate
: Ethical approval was granted by Ethical Committee of the College of Physical Education of Southwest University on September 3, 2018, and written informed consent was obtained from all participants aged ≥16 years or their parents or legal guardians for participants aged < 16 years prior to commencement of the study.
: Not applicable.
: The authors declare that they have no competing interests.