1. Department of Oral Physiology, Asahi University School of Dentistry, Gifu, Japan
2. Department of Orthodontics, Asahi University School of Dentistry, Gifu, Japan
3. Department of Psychology, Tohoku University, Sendai, Japan
4. Research Institute of Electrical Communication, Tohoku University, Sendai, Japan
5. Organization for Advanced Studies, Tohoku University, Sendai, Japan
6. Yotta Informatics Research Center, Tohoku University, Sendai, Japan