1. School of Computer Science and Engineering, Nanyang Technological University, Jurong West, Singapore
2. School of Automation, Guangdong University of Technology, Guangdong, China
3. Pillar of Information Systems Technology and Design, Singapore University of Technology and Design, Tampines, Singapore
4. Department of Electrical and Computer Engineering, University of California at Davis, Davis, CA, USA
5. Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Canada