1. Faculty of Computing, Universiti Teknologi Malaysia, 3rd Floor, N28A, 81310 Johor Bahru, Johor, Malaysia
2. Interactive Media and Human Interface Lab., Department of Informatics, Faculty of Information Technology, Institut Teknologi Sepuluh Nopember Surabaya, Surabaya 60111, Indonesia
3. Faculty of Computing and Information Technology Rabigh, King Abdulaziz University, Rabigh, Makkah 21911, Saudi Arabia