1. Faculty of Information Technology and Design, Primakara University, Denpasar, Indonesia
2. School of Electrical Engineering, Telkom University, Bandung, Indonesia
3. Department of Electronic Engineering, Kumoh National Institute of Technology, Gumi, South Korea
4. Department of IT Convergence Engineering, Kumoh National Institute of Technology, Gumi, South Korea
5. School of Management and Information Technology, De La Salle-College of Saint Benilde, Manila, Philippines