1. School of Journalism and Information Communication, Huazhong University of Science and Technology, Wuhan, People's Republic of China
2. School of Cyber Science and Engineering, Huazhong University of Science and Technology, Wuhan, People's Republic of China
3. School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan, People's Republic of China
4. Imperial College Business School, Imperial College London, London, UK
5. Wuhan Research Institute of Post and Telecommunication, Wuhan People's Republic of China
6. School of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan, People's Republic of China