Cao, Cong
Cao, Lili
Chen, Jie
Funding for this research was provided by:
National Natural Science Foundation of China (31800936)
Social Science Planning Fund of Shandong Province (18DJYJ01)
Article History
Received: 9 January 2019
Accepted: 18 February 2019
First Online: 4 March 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All research reported on in the manuscript was conducted in compliance with APA ethical principles. The study consisted of secondary analyses of de-identified data, and therefore did not require ethics board approval.
: As the study was a quantitative synthesis of publicly available material, the informed consent from participants was not required.