1. Department of Neurosurgery, Spine and Spinal Cord Institute, Yonsei University College of Medicine, Seoul, Korea.
2. Department of Biomedical Engineering, Yonsei University College of Medicine, Seoul, Korea.
3. Medyssey Co., Ltd., Uijeongbu, Korea.
4. Department of Pediatric Neurosurgery, Severance Children's Hospital, Yonsei University College of Medicine, Seoul, Korea.
5. Department of Pediatric Hemato-Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Korea.
6. Department of Neurosurgery, Guro Cham Teun Teun Hospital, Seoul, Korea.