1. Department of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Wuhan 430030, China
2. Institute of Rehabilitation Engineering and Technology, University of Shanghai for Science and Technology, Shanghai 200093, China
3. Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong SAR 999077, China
4. Department of Rehabilitation Engineering, The Fifth Affiliated Hospital, Zhengzhou University, Zhengzhou 450052, China
5. Research Institute for Smart Aging, The Hong Kong Polytechnic University, Hong Kong SAR 999077, China