1. Department of Rehabilitation Medicine, Hokkaido University Hospital, Sapporo 060-8648, Japan
2. Department of Rehabilitation Medicine, Sapporo Azabu Neurosurgical Hospital, Sapporo 065-0022, Japan
3. Department of Rehabilitation Medicine, Kyorin University School of Medicine, Mitaka 181-8611, Japan
4. Division of Environmental Medicine and Population Sciences, Department of Social Medicine, Graduate School of Medicine, Osaka University, Suita 565-0871, Japan
5. General Incorporated Association, Japan ICF Association, Tama 206-0012, Japan
6. Department of Rehabilitation, Hanakawa Hospital, Ishikari 061-3207, Japan
7. Department of Rehabilitation, Fujita Health University Hospital, Toyoake 470-1192, Japan
8. Department of Rehabilitation Medicine, Hokuto Social Medical Corporation Tokachi Rehabilitation Center, Obihiro 080-0833, Japan
9. Department of Rehabilitation Medicine, Moriyama Memorial Hospital, Asahikawa 070-0832, Japan
10. Department of Rehabilitation Medicine, National Hospital Organization Hokkaido Medical Center, Sapporo 063-0005, Japan
11. Faculty of Health Sciences, Hokkaido University, Sapporo 060-0812, Japan