1. Key Laboratory of Biomechanics and Mechanobiology, Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
2. State Key Laboratory of Virtual Reality Technology and System, Beihang University, Beijing, China
3. School of Mechanical Engineering and Automation, Beihang University, Beijing, China
4. Department of Neurological Rehabilitation, Jiangbin Hospital of Guangxi Zhuang Autonomous Region, Nanning, China