1. Human Augmentation Research Center, National Institute of Advanced Industrial Science and Technology (AIST), c/o Kashiwa II Campus, University of Tokyo, 6-2-3 Kashiwanoha, Kashiwa 277-0882, Japan
2. Liberal Arts and Sciences, Nippon Institute of Technology, 4-1 Gakuendai, Saitama 345-8501, Japan
3. TOKYO GAISHO Inc., #101 Heimat Daikanyama, 2-21-10 Ebisunishi, Tokyo 150-0021, Japan