1. Department of Computational Sciences, The University of Faisalabad, Pakistan
2. Department of Computer Science, College of Computer and Information Sciences, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11432, Saudi Arabia
3. Department of Computer Science, Quaid-i-Azam University, Islamabad 44000, Pakistan
4. School of Engineering, Faculty of Science and Engineering, Manchester Metropolitan University, UK