1. Collaborative and Innovative Center for Educational Technology, Central China Normal University , P.R. China
2. School of Educational Sciences and Technology, Huang Gang Normal University , P. R. China
3. School of Education, State University of New York at Oswego , USA
4. School of Educational Information Technology, Central China Normal University , P.R. China
5. Strategic Planning Department, Wuhan Huada National E-learning Technologies Co. Ltd. , P.R. China