1. Department of Neurosurgery, Brain Tumor Center, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
2. Graduate School of Medical Science and Engineering, KAIST, Daejeon, Republic of Korea
3. Biomedical Science and Engineering Interdisciplinary Program, KAIST, Daejeon, Republic of Korea
4. Department of Biological Sciences, KAIST, Daejeon, Republic of Korea