1. Key Laboratory of Human Motion Analysis and Rehabilitation Technology of the Ministry of Civil Affairs, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
2. Key Laboratory for Ubiquitous Network and Service Software of Liaoning Province, School of Software, Dalian University of Technology, Dalian, China
3. Department of Rehabilitation, Binzhou Medical University Hospital, Shandong, Binzhou, China