Funding for this research was provided by:
Project of National Social Science Foundation of China (15CSH018)
Fundamental Research Funds of Central China Normal University (CCNU17TS0008)
Open project of Hubei Key Laboratory of Human Development and Mental Health (20160402)
Article History
First Online: 3 April 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional (Central China Normal University) and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all participants, their parents and teachers included in the study.