1. Department of Electrical and Electronics Engineering, GMR Institute of Technology, Rajam, Andhra Pradesh, India
2. Department of Computer Science and Engineering, GMR Institute of Technology, Rajam, Andhra Pradesh, India
3. Department of Electrical and Electronics Engineering, S. A. Engineering College (Autonomous), Chennai, India
4. Department of Computer Science, College of Computer and Information Sciences, King Saud University, Riyadh, Saudi Arabia