Wu, Han
Zhang, Yingxiu
Wei, Jing
Bovet, Pascal
Zhao, Min
Liu, Wenhui
Xi, Bo
Funding for this research was provided by:
Innovation Team of “Climbing” Program of Shandong University, and the Youth Team of Humanistic and Social Science of Shandong University (20820IFYT1902)
Article History
Received: 3 January 2022
Accepted: 11 May 2022
First Online: 23 May 2022
Declarations
:
: Ethical approval was obtained from the Ethics Review Committee of Public Health, Shandong University (LL20211204). Informed consent was obtained from both the participants and their parents or guardians.
: Not applicable.
: The authors declare no competing interests.