1. Department of Motor & Cognitive Rehabilitation, Korea National Rehabilitation Research Institute, Seoul, Republic of Korea.
2. Department of Rehabilitation Medicine, Korea National Rehabilitation Center, Seoul, Republic of Korea.
3. Myongji Choonhey Rehabilitation Hospital, Seoul, Republic of Korea.
4. Department of Statistics, Duksung Women's University, Seoul, Republic of Korea.
5. Jangdeuk Oriental Medicine Clinic, Seoul, Republic of Korea.