1. Department of Rehabilitation, Nagasaki University Hospital: 1-7-1 Sakamoto, Nagasaki 852-8501, Japan
2. Department of Locomotive Rehabilitation Science, Unit of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
3. Department of Physical Therapy Science, Unit of Physical and Occupational Therapy, Nagasaki University Graduate School of Biomedical Sciences, Japan
4. Department of Oral Anatomy and Dental Anthropology, Unit of Basic Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
5. Department of Macroscopic Morphology, Unit of Basic Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan