1. Department of Neurosurgery, National Health Organization Sendai Medical Center, Sendai, Miyagi, Japan.
2. SUSMED, Inc., Tokyo, Japan.
3. Department of Radiology, Stanford University School of Medicine, Palo Alto, California, USA.
4. Department of Emergency Medicine, University of California, San Francisco, San Francisco, California, USA.
5. Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan.
6. Department of Neurosurgical Engineering and Translational Neuroscience, Graduate School of Biomedical Engineering, Tohoku University, Sendai, Miyagi, Japan.
7. Department of Neurosurgical Engineering and Translational Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan.