1. Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, South Korea
2. Department of Rehabilitation Medicine, Yonsei University Wonju College of Medicine, Wonju, South Korea
3. Department of Medicine, The Graduate School of Yonsei University, Seoul, Korea
4. Department of Physical and Rehabilitation Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
5. Department of Orthopedic Surgery, Yonsei University College of Medicine, Seoul, South Korea
6. Brain Korea 21 PLUS Project for Medical Science, Yonsei University, Seoul, South Korea
7. Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, South Korea
8. Yonsei Stem Cell Center, Avison Biomedical Research Center, Yonsei University College of Medicine, Seoul, South Korea
9. Rehabilitation Institute of Neuromuscular Disease, Yonsei University College of Medicine, Seoul, South Korea