1. Department of Rehabilitation Medicine, Daejeon-Chungnam Regional Cerebrovascular Center, Chungnam National University Hospital, Daejeon, Korea.
2. Department of Neurology, Daejeon-Chungnam Regional Cerebrovascular Center, Chungnam National University Hospital, Daejeon, Korea.
3. Department of Neurosurgery, Daejeon-Chungnam Regional Cerebrovascular Center, Chungnam National University Hospital, Daejeon, Korea.