1. Department of System Design Engineering Keio University Minato Tokyo Japan
2. Department of Mechanical Engineering Massachusetts Institute of Technology Cambridge Massachusetts USA
3. Department of Dentistry and Oral Surgery Keio University Minato Tokyo Japan
4. Department of Plastic and Reconstructive Surgery Keio University Minato Tokyo Japan
5. Institute for Integrated Sports Medicine Keio University School of Medicine Shinjuku‐ku Tokyo Japan
6. Department of Oral and Maxillofacial Implantology Kanagawa Dental University Yokosuka Kanagawa Japan
7. Haptics Research Center Keio University Yokohama Japan
8. Department of Organ Fabrication Keio University School of Medicine Shinjuku‐ku Tokyo Japan