1. Faculty of Informatics and Management, University of Hradec Kralove, Rokitanskeho 62, Hradec Kralove, 500 03, Czech Republic
2. Faculty of Economics and Management, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
3. Malaysia-Japan International Institute of Technology, University Teknologi Malaysia, Jalan Sultan Yahya Petra, Kuala Lumpur 54100, Malaysia
4. Department of Architecture, Faculty of Design and Architecture, University Putra Malaysia (UPM), Serdang 43400, Malaysia
5. School of Computing, Faculty of Engineering, Game Innovation Centre of Excellence (MaGICX), Universiti Teknologi Malaysia and Media, Universiti Teknologi Malaysia, Johor Baharu 81310, Malaysia