1. School of Computer Science and Engineering, Nanyang Technological University, Singapore
2. College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China
3. Pillar of Information Systems Technology and Design, Singapore University of Technology and Design, Singapore
4. School of Automation, Guangdong University of Technology, and Key Laboratory of Intelligent Information Processing and System Integration of IoT, Ministry of Education, Guangzhou, China
5. Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, South Korea
6. Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON, Canada