Funding for this research was provided by:
National Social Science Fund of China (16CSH051)
Article History
Received: 16 October 2020
Accepted: 16 March 2021
First Online: 13 April 2021
Declarations
:
: This project was approved by the Ethics Committee of the Humanities and Social Sciences of Fuzhou University (EC2018021) and was registered (). Informed consents were obtained from all participants, their legal guardians, and their guard unit (juvenile correctional institution) at the beginning of the study.
: Not applicable.
: The authors declare that they have no competing interests.