1. Department of Physical Therapy, Faculty of Health and Medical Sciences, Hokuriku University, 1-1 Taiyogaoka, Kanazawa 920-1180, Japan
2. BME Research Laboratory, Sosei Ltd., Hamamatsu 432-8002, Japan
3. Department of Physical Therapy, Faculty of Health Sciences, Kyoto Tachibana University, Kyoto 607-8175, Japan
4. Department of Physical Therapy, Faculty of Social Work Studies, Josai International University, Togane 283-8555, Japan