1. Department of Computer Science and Information Engineering, National Taipei University of Technology, Taipei 106, Taiwan
2. Department of Software Systems & Cybersecurity, Monash University, Melbourne, VIC 3800, Australia
3. Department of Computer Science and Information Technology, La Trobe University, Melbourne, VIC 3086, Australia
4. Department of Neurology and Stroke Center, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei 100, Taiwan