1. Major in Medical Engineering and Technology; Graduate School of Medical Technology and Health Welfare Sciences; Hiroshima International University; Kurose-Gakuendai 555-36 Higashi-Hiroshima Hiroshima Japan
2. Faculty of Rehabilitation; Department of Rehabilitation; Hiroshima International University; Kurose-Gakuendai 555-36 Higashi-Hiroshima Hiroshima Japan
3. Department of Rehabilitation Science; Graduate School of Health Sciences; Kobe University; Tomogaoka 7-10-2, Suma-ku Kobe Hyogo Japan