1. Department of Rehabilitation Medicine, Konkuk University School of Medicine and Konkuk University Medical Center, Seoul, Korea.
2. Program in Occupational Therapy, Washington University School of Medicine, St. Louis, MO, USA.
3. Department of Rehabilitation Medicine, Gyeongin Rehabilitation Center Hospital, Incheon, Korea.
4. Department of Radiology, Konkuk University School of Medicine and Konkuk University Medical Center, Seoul, Korea.