1. Key Laboratory of the Ministry of Education for Image Processing and Intelligent Control, School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan, China
2. Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Shenzhen, China
3. Department of Rehabilitation, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
4. Department of Micro-Nano Mechanical Science and Engineering, Nagoya University, Chikusa-ku, Japan