Wang, Meng http://orcid.org/0000-0002-2293-1709
Chen, Weitong
Wang, Sen
Liu, Jun
Li, Xue
Stantic, Bela
Funding for this research was provided by:
National Key Research and Development Program of China (2016YFB1000903)
National Natural Science Foundation of China (61532015)
Ministry of Education Innovation Research Team (IRT17R86)
National Natural Science Foundation of China (61532004)
National Natural Science Foundation of China (61672419)
MOE Research Center for Online Education Funds (2016YB165)
Article History
Received: 13 March 2017
Revised: 23 August 2017
Accepted: 25 August 2017
First Online: 2 September 2017