Funding for this research was provided by:
National Natural Science Foundation of China (31900772)
Article History
Received: 25 May 2021
Accepted: 15 November 2021
First Online: 23 November 2021
Declarations
:
: The study was approved by the Research Commission of Beijing Normal University. Participants and their primary caregivers gave written informed consent for the assessment.
: Written informed consent for publication was obtained from all participants.
: We declare that there are no conflicts of interest with respect to the authorship or the publication of this article.