1. Department of Rehabilitation Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea
2. Department of Rehabilitation Medicine, College of Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea
3. Department of Brain Injury Rehabilitation, National Traffic Injury Rehabilitation Hospital, Yangpyeong 12564, Republic of Korea
4. Department of Rehabilitation Medicine, Seoul National University Hospital, Seoul 03080, Republic of Korea