1. Graduate School of Energy Convergence, Gwangju Institute of Science and Technology (GIST), Gwangju, South Korea
2. Innovation Value Institue (IVI), School of Business, National University of Ireland Maynooth (NUIM), Maynooth, Ireland
3. KEPCO Research Institute, Daejeon, South Korea
4. Department of Computer Science, College of Science and Arts, Najran University, Sharurah, Najran, Saudi Arabia