1. University of Sydney, School of Architecture Design & Planning, New South Wales 2006, Sydney, Australia
2. Department of Computer Science, University of Swabi, Swabi, Khyber Pakhtunkhwa, Pakistan
3. Department of Accounting & Information Systems, College of Business & Economics, Qatar University, Doha, Qatar
4. Cyberspace Institute of Advance Technology, Guangzhou University, Guangzhou, China