1. Chitkara University School of Computer Applications, Chitkara University, Himachal Pradesh, India
2. School of Computer Science, University of Petroleum and Energy Studies, Dehradun, India
3. Faculty of Computer Science, Ho Chi Minh City Open University, Ho Chi Minh City, Vietnam
4. Department of Information Technology, College of Computing and Information Technology, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia