1. Department of Health Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
2. Department of Rehabilitation, Nagasaki Kita Hospital, Togitsuchou, Nishisonogigun, Nagasaki, Japan
3. Department of Neurology, Nagasaki Kita Hospital, Togitsuchou, Nishisonogigun, Nagasaki, Japan