1. Department of Neurosurgery, Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea.
2. Department of Neurosurgery, Seoul National University Hospital, Seoul, Korea.
3. Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Korea.
4. Neuroscience Research Institute, Seoul National University Medical Research Center, Seoul, Korea.
5. Clinical Research Institute, Seoul National University Hospital, Seoul, Korea.
6. Department of Brain and Cognitive Sciences, Seoul National University College of Natural Sciences, Seoul, Korea.
7. Bioinformatics, Samsung Gene Institute, Samsung Medical Center, Seoul, Korea.