1. Research into Artifacts, Center for Engineering (RACE), The University of Tokyo, Chiba, Japan
2. School of Automation, Guangdong University of Technology, Guangzhou, People’s Republic of China
3. Faculty of Nursing, Kanto Gakuin University, Yokohama, Japan
4. Faculty of Nursing, Tokyo Ariake University of Medical and Health Sciences, Tokyo, Japan
5. Department of Advanced Fibro-Science, Kyoto Institute of Technology, Kyoto, Japan