1. Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, Korea.
2. Department of Anatomy, College of Medicine, Chungnam National University, Daejeon, Korea.
3. Department of Pediatrics, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea.
4. Brain Research Institute, College of Medicine, Chungnam National University, Daejeon, Korea.