1. Department of Computer Science and Engineering, Netaji Subhas University of Technology, New Delhi, India
2. Laboratoire d’Informatique et de Mathématiques, Université Amar Telidji de Laghouat, Laghouat, Algeria
3. Computer Engineering Department (DISCA), Universitat Politècnica de València, Valencia, Spain
4. School of Computing and Communications, Lancaster University, Lancaster, U.K.
5. Department of Information Systems, University of Maryland, Baltimore County (UMBC), Baltimore, MD, USA