1. Department of Aeronautical and Aviation Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong
2. School of Information Science and Engineering and the State Key Laboratory of Synthetical Automation for Process Industries, Northeastern University, Shenyang, Liaoning, China
3. Department of Aeronautical and Aviation Engineering and the Research Institute for Sports Science and Technology, The Hong Kong Polytechnic University, Kowloon, Hong Kong
4. Department of Computer Science, Aalborg University, Aalborg, Denmark