Funding for this research was provided by:
The Chinese University of Hong Kong
Faculty of Social Science, the Chinese University of Hong Kong (SS12722)
Guangdong Planning office of Philosophy and Social Science (GD17XXL05)
Guangdong University of Education (2016ARF10)
Guangdong Key Subject Foundation for Education.
Article History
Received: 16 October 2017
Accepted: 25 January 2018
First Online: 22 February 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Survey and Behavioral Research Ethics Committee of the Chinese University of Hong Kong. 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.