1. Department of Rehabilitation Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea.
2. Department of Rehabilitation Medicine, Chungnam National University School of Medicine, Daejeon, Korea.
3. Department of Rehabilitation Medicine and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, Korea.
4. Department of Physical and Rehabilitation Medicine, Chonnam National University Medical School, Gwangju, Korea.
5. Department of Rehabilitation Medicine, Pusan National University School of Medicine, Busan, Korea.
6. Department of Public Health and Preventive Medicine, Wonkwang University College of Medicine, Iksan, Korea.
7. Department of Rehabilitation Medicine, Kyungpook National University College of Medicine, Daegu, Korea.
8. Department of Rehabilitation Medicine, Wonkwang University School of Medicine, Iksan, Korea.
9. Department of Rehabilitation Medicine, Jeju National University Hospital, Jeju National University College of Medicine, Jeju, Korea.
10. Department of Physical and Rehabilitation Medicine, Center for Prevention and Rehabilitation, Heart Vascular and Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.