Affiliation: | 1Department of Neurological Surgery, Chung-Ang University College of Medicine, Seoul, Korea.;2Department of Neurological Surgery, The Armed Forced Capital Hospital, Seoul, Korea.;3Department of Radiology, The Armed Forced Capital Hospital, Seoul, Korea.;4Division of Epidemiology and Health Index, Center for Genome Science, Korea National Institute of Health, Korea Centers for Disease Control and Prevention, Seoul, Korea. |