1. Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
2. Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, Korea
3. Department of Genome Medicine and Science, Graduate School of Medicine, Gachon University, Incheon, Korea
4. Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
5. Department of Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
6. Department of Medical Device Management and Research, SAIHST, Sungkyunkwan University, Seoul, Korea