1. Sino-US Global Logistics Institute, Shanghai Jiao Tong University, Shanghai, China
2. Department of Computer Science and Engineering, East China University of Science and Technology, Shanghai, China
3. Institute of Robotics and Intelligent Manufacturing, and the Shenzhen Institute of Artificial Intelligence and Robotics for Society, The Chinese University of Hong Kong (Shenzhen), Shenzhen, China
4. Department of Electrical and Computer Engineering, New Jersey Institute of Technology, Newark, NJ, USA