1. School of Artificial Intelligence, Nanjing University of Information Science and Technology, Nanjing, China
2. College of Computer Science and Engineering, Shandong University of Science and Technology, Qingdao, China
3. Department of Mathematics, Chaudhary Charan Singh University, Meerut, India
4. Center of Excellence in Information Assurance, King Saud University, Riyadh, Saudi Arabia
5. Lusófona University, Lisbon, Portugal