1. Department of Rehabilitation Medicine, School of Medicine, Hyogo Medical University, Hyogo, Japan
2. Department of Rehabilitation Science, School of Medicine, Osaka Metropolitan University, Osaka, Japan
3. Department of Occupational Therapy, School of Allied Health Science, Kitasato University, Kanagawa, Japan
4. Department of Biostatistics, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
5. Tsukuba Clinical Research and Development Organization, University of Tsukuba, Tsukuba, Japan
6. Moji Medical Center, Fukuoka, Japan