1. Department of Anesthesiology and Pain Medicine, Medical Virtual Reality Research Group, Seoul National University College of Medicine, Gwanak-gu, Seoul, Republic of Korea
2. Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Bundang-gu, Seongnam, Republic of Korea
3. Department of Radiology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Bundang-gu, Seongnam, Republic of Korea
4. Department of Pediatrics, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Bundang-gu, Seongnam, Republic of Korea
5. Department of Psychiatry, Medical Virtual Reality Research Group, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Bundang-gu, Seongnam, Republic of Korea