1. School of Computer Science and Communication Engineering, Jiangsu University, Zhenjiang, China
2. College of Science and Engineering, Flinders University, Adelaide, SA, Australia
3. College of Computer and Information Sciences, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
4. College of Science and Engineering, Hamad Bin Khalifa University, Doha, Qatar
5. College of Engineering, Qatar University, Doha, Qatar
6. Department of Information Systems, University of Maryland, Baltimore County (UMBC), Baltimore, MD, USA
7. Department of Electrical Engineering, College of Engineering, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia