1. School of Computing and Mathematic Sciences, University of Leicester, Leicester LE1 7RU, UK
2. Department of Information Systems, Faculty of Computing and Information Technology, King Abdulaziz University, Jeddah 21589, Saudi Arabia
3. Brain Information and Human Factors Engineering Laboratory, Zhongshan Institute of Changchun University of Science and Technology, Zhongshan 528403, China
4. School of Physics and Information Engineering, Jiangsu Second Normal University, Nanjing 211200, China