1. Department of Electrical Engineering, Riphah International University, Islamabad, Pakistan
2. School of Science, Technology and Health, York St John University, York, U.K.
3. School of Computing Technologies, STEM College, RMIT University, Melbourne, VIC, Australia
4. Department of Mathematics, College of Science, King Khalid University, Abha, Saudi Arabia
5. Department of Computer Science and Information Technology, College of Engineering, Abu Dhabi University, Abu Dhabi, United Arab Emirates