1. Department of Physical Therapy, Kokura Rehabilitation Academy: 2-2-10 Kuzuharahigashi, Kokuraminami-ku, Kitakyusyu-shi, Fukuoka 800-0206, Japan
2. Department of Rehabilitation, Shinkomonji Hospital, Japan
3. Department of Physical Therapy, Shimonoseki Nursing & Rehabilitation School, Japan
4. Department of Physical Therapy, Fukuoka Wajiro Rehabilitation Academy, Japan
5. A Nursing Home for the Elderly, Maruyama Choujuen, Japan
6. Department of Physical Therapy, Fukuoka Tenjin Medical Rehabilitation School, Japan
7. Department of Life Science and System Engineering, Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, Japan