1. Department of Rehabilitation, The Japanese Red Cross Nagasaki Genbaku Hospital, Japan
2. Department of Rehabilitation, Juzenkai Hospital, Japan
3. Laboratory of Locomotive Rehabilitation Science, Nagasaki University Graduate School of Biomedical Sciences: 1-7-1 Sakamoto, Nagasaki-shi, Nagasaki 852-8520, Japan
4. Institute of Biomedical Sciences, Health Sciences, Nagasaki University, Japan