1. Laboratory of Human Ergology, Department of Human-Computer Interaction Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, JP.
2. Section of Oral Biology, School of Dentistry, University of California at Los Angeles, Los Angeles, CA, US.
3. Laboratory of Health and Amenity Sciences, Department of Eco-design, Tokyo University of Agriculture and Technology, JP.
4. Department of Anatomy, The Jikei University School of Medicine, JP.
5. Department of Human Morphology, Graduate School of Science, Tokyo Metropolitan University, JP.