1. Key Laboratory of Measurement Technology and Instrumentation of Hebei Province, Institute of Electric Engineering, Yanshan University, Qinhuangdao, Hebei, China
2. Key Laboratory of Measurement Technology and Instrumentation of Hebei Province, Institute of Electric Engineering, and the Key Laboratory of Intelligent Rehabilitation and Neuromodulation of Hebei Province, Institute of Electric Engineering, Yanshan University, Qinhuangdao, Hebei, China
3. Key Laboratory of Neuro-Functional Information and Rehabilitation Engineering of the Ministry of Civil Affairs, National Research Center for Rehabilitation Technical Aids, Beijing, China
4. Department of Neurological Rehabilitation, National Rehabilitation Hospital of National Research Center for Rehabilitation Technical Aids, Beijing, China
5. Department of Rehabilitation Medicine, First Hospital of Qinhuangdao, Qinhuangdao, China