1. Department of Pediatrics Ewha Womans University Seoul Hospital Ewha Womans University School of Medicine Seoul South Korea
2. Division of Pediatric Neurology Department of Pediatrics Epilepsy Research Institute Severance Children's Hospital Yonsei University College of Medicine Seoul South Korea
3. Department of Pediatrics Pusan National University Children's Hospital Pusan National University School of Medicine Yangsan South Korea
4. Graduate School of Medical Science and Engineering Korea Advanced Institute of Science and Technology (KAIST) Daejeon South Korea
5. Department of Laboratory Medicine Severance Hospital Yonsei University College of Medicine Seoul South Korea