1. Key Laboratory of Rehabilitation Technical Aids for Old‐Age Disability, Key Laboratory of Human Motion Analysis and Rehabilitation Technology of the Ministry of Civil Affairs National Research Center for Rehabilitation Technical Aids Beijing China
2. Key Laboratory for Biomechanics and Mechanobiology of Chinese Education Ministry, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering Beihang University Beijing China
3. Rehabilitation Engineering Laboratory, Department of Kinesiology and Community Health University of Illinois at Urbana‐Champaign Champaign Illinois USA
4. School of Engineering Medicine Beihang University Beijing China