Yang, Xueqian
He, Yirong
Luo, Biru
Zhao, Li
Huang, Chuanya
Liao, Shujuan
Article History
Received: 21 April 2022
Accepted: 28 March 2023
First Online: 3 April 2023
Declarations
:
: This study was approved by the Ethics Committee of the Hong Kong Polytechnic University (CCDS19H0642) and the Ethics Committee of the Science and Technology Department, Sichuan Province, China(2020JDKP0021). All methods were performed in accordance with the relevant guidelines and regulations. Written informed consent was obtained from participants, parents and schools. All participants were aware that they could withdraw at any stage of this study without any adverse consequences.
: Not applicable.
: All the authors declare no financial or nonfinancial conflicts of interest.