1. Department of Rehabilitation Medicine, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
2. Department of Rehabilitation Medicine, Pusan National University School of Medicine, Yangsan, Republic of Korea
3. Department of Rehabiliation Medicine, Parkside Rehabilitation Hospital, Busan, Republic of Korea
4. Kessler Institute for Rehabilitation, West Orange, New Jersey, USA
5. Department of Physical Medicine and Rehabilitation, Rutgers New Jersey Medical School, Newark, New Jersey, USA
6. Kessler Foundation, West Orange, New Jersey, USA
7. Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
8. Department of Rehabilitation Medicine, Pusan National University Hospital, Busan, Republic of Korea