1 Divison of Pediatric Neurology, Department of Pediatrics, Severance Children's Hospital, Epilepsy Research Institute, Yonsei University College of Medicine, Seoul, Korea.
2 Department of Pediatrics, Ehwa Womans University, Seoul, Korea.
3 Division of Pediatric Emergency, Department of Pediatrics, Severance Children's Hospital, Yonsei University College of Medicine, Epilepsy Research Institute, Seoul, Korea.
4 Divison of Pediatric Neurology, Department of Pediatrics, Severance Children's Hospital, Seoul, Korea.
5 Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.
6 National Academy of Medicine of Korea, Seoul, Korea.
7 Department of Psychiatry, College of Medicine, The Catholic University of Korea, Seoul, Korea.