1. Department of Neuroscience, Baylor College of Medicine, Houston, TX, USA
2. School of Rehabilitation Science and Engineering, University of Health and Rehabilitation Sciences, Qingdao, China
3. Department of Biomedical Engineering, University of Houston, Houston, TX, USA
4. Department of Physical Medicine and Rehabilitation, TIRR Memorial Hermann Hospital, University of Texas Health Science Center at Houston, Houston, TX, USA
5. Guangdong Work Injury Rehabilitation Center, Guangzhou, China