Li, Xian
Lee, Chun-Yang
Lin, Yu-Jung
Chu, Meijie
Qin, Xiaorui
Zhang, Shi
Zhang, Shuoxun
Chiang, Yi-Chen http://orcid.org/0000-0001-9630-1956
Article History
Accepted: 19 March 2022
First Online: 8 April 2022
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: Procedures were approved by the Institutional Review Board in the Renmin University of China. All procedures were performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Written informed consent was obtained from the students, schoolteachers and parents/guardians of the students before the baseline survey.