1 Department of Pediatrics, Department of Genome Medicine and Science, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea.
2 Department of Pediatrics, Pediatric Clinical Neuroscience Center, Seoul National University Children's Hospital, Seoul National University College of Medicine, Seoul, Korea.
3 Division of Pediatric Neurosurgery, Seoul National University Children's Hospital, Seoul National University College of Medicine, Seoul, Korea.
4 Department of Radiology, Woorisoa Children's Hospital, Seoul, Korea.
5 Department of Pediatrics, Seoul National University Children's Hospital, Seoul National University College of Medicine, Seoul, Korea.
6 Cell Logistics Research Center and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Korea.
7 Division of Pediatric Orthopaedics, Seoul National University Children's Hospital, Seoul National University College of Medicine, Seoul, Korea.
8 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.