1. Department of Occupational Therapy, Kanagawa University of Human Services, Yokosuka, Japan
2. Graduate School of Health Management, Keio University, Fujisawa, Japan
3. Unit of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
4. IMS Itabashi Rehabilitation Hospital, Itabashi, Japan
5. Department of Occupational Therapy, School of Allied Health Sciences, Kitasato University, Sagamihara, Japan
6. Department of Occupational Therapy, Seirei Christopher University, Hamamatsu, Japan
7. Department of Medical Statistics, Kobe Pharmaceutical University, Kobe, Japan