1. Departments of Computer Information System and Computer Sciences, Faculty of Computer Science and Informatics, Amman Arab University, Amman, Jordan
2. Department of Mathematics, Faculty of Science and Information Technology, Al-Zaytoonah University of Jordan, Amman, Jordan
3. College of Electrical Engineering and Automation, Fuzhou University, Fuzhou, People’s Republic of China
4. College of Computer Science and Engineering, Shandong University of Science and Technology, Qingdao, People’s Republic of China
5. College of Science and Engineering, Flinders University, Tonsley, Australia
6. Department of Computer System and Technology, Faculty of Computer Science and Information Technology, University of Malaya, Kuala Lumpur, Malaysia