1. Department of Neurosurgical Engineering and Translational Neuroscience, Graduate School of Biomedical Engineering, Tohoku University, Sendai, Japan
2. Department of Neurosurgery, Asahi University Hospital, Gifu, Japan
3. Department of Neurosurgery, Gifu University Graduate School of Medicine, Gifu, Japan
4. Department of Neurosurgical Engineering and Translational Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan
5. Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan