1 Department of Pediatrics, Pediatric Clinical Neuroscience Center, Seoul National University Children's Hospital, Seoul National University College of Medicine, Seoul, Korea.
2 Department of Radiology, Seoul National University College of Medicine, Seoul, Korea.
3 Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Korea.
4 Department of Pediatrics, Gachon Institute of Genome Medicine and Science, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea. mickeyjin@gachon.ac.kr.
5 Department of Pediatrics, Pediatric Clinical Neuroscience Center, Seoul National University Children's Hospital, Seoul National University College of Medicine, Seoul, Korea. chaeped1@snu.ac.kr.