1. Department of Rehabilitation, Faculty of Rehabilitation, Hiroshima International University, Higashi-Hiroshima, Japan; Department of Rehabilitation, Saiseikai Kure Hospital, Kure, Japan
2. Department of Rehabilitation, Kure Kyosai Hospital, Kure, Japan
3. Department of Rehabilitation, Faculty of Rehabilitation, Hiroshima International University, Higashi-Hiroshima, Japan
4. Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
5. Department of Health Informatics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan