1. Department of Rehabilitation Medicine, Key Laboratory of Rehabilitation Medicine in Sichuan Province, School of Rehabilitation Sciences, and the West China School of Medicine, Institute of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
2. Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
3. School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu, China