1. Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, Shanghai, China
2. State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, China
3. Department of Electrical and Computer Engineering, Purdue School of Engineering and Technology, Indiana University–Purdue University Indianapolis, Indianapolis, IN, USA
4. Department of Engineering, University of Cambridge, Cambridge, U.K.
5. Institute of Intelligent and Integrated Systems and the School of Engineering and Built Environment, Griffith University, Nathan, QLD, Australia