He, Ting
Su, Jinni
Jiang, Yongqiang
Qin, Shaozheng
Chi, Peilian
Lin, Xiuyun http://orcid.org/0000-0001-6006-2893
Funding for this research was provided by:
13th Beijing Education Science Planning Foundation (BAEA17039)
Article History
First Online: 24 March 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: Prior to conducting the study, the Institutional Review Board of Beijing Normal University in China approved the research protocol, including the consent procedure. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional 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 individual participants included in the Study.