1. Research Center for the Health Promotion and Employment Support, Osaka Rosai Hospital
2. Department of Rehabilitation Sciences, Faculty of Allied Health Sciences, Kansai University of Welfare Sciences
3. Research Center for the Health Promotion and Employment Support, Kansai Rosai Hospital
4. Department of Orthopaedic Surgery, Osaka Rosai Hospital
5. Department of Medical Research and Management for Musculoskeletal Pain, 22nd Century Medical and Research Center, The University of Tokyo