1. Department of Rehabilitation Sciences, Kobe University Graduate School of Health Sciences, Kobe, Japan
2. Faculty of Advanced Engineering, Chiba Institute of Technology, Narashino, Japan
3. Graduate School of Sport Sciences, Waseda University, Tokorozawa, Japan
4. Research Fellow of Japan Society for the Promotion of Sciences, Tokyo, Japan
5. Faculty of Sport Sciences, Waseda University, Tokorozawa, Japan
6. Faculty of Health Sciences, Kobe University School of Medicine, Kobe, Japan
7. Department of Biophysics, Kobe University Graduate School of Health Sciences, Kobe, Japan
8. Department of Health and Sport Sciences, Graduate school of Medicine, Osaka University, Osaka, Japan
9. Department of Oral Anatomy, Asahi University School of Dentistry, Gifu, Japan