1. Department of Mechanical Science and Bioengineering, Graduate School of Engineering Science Osaka University Toyonaka Japan
2. Department of Innovation for Medical Information Technology The Jikei University School of Medicine Minato‐ku Japan
3. Graduate School of Mechanical Engineering Tokyo University of Science Katsushika‐ku Japan
4. Department of Neurosurgery The Jikei University School of Medicine Minato‐ku Japan