1. Medical Corporation, Wajinkai Wajinkai Hospital, Nagasaki, Japan;
2. Unit of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan;
3. Rehabilitation Sciences, Kyushu Nutrition Welfare University, Nagasaki, Japan;
4. Macroscopic Anatomy, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan;
5. Health Sciences, Shinshu University, Matsumoto, Japan;
6. Faculty of Rehabilitation Sciences, Nishikyushu University, Saga, Japan;
7. School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan