1. Graduate School of Comprehensive Human Sciences, University of Tsukuba
2. Health Services Research and Development Center, University of Tsukuba
3. Department of Health Services Research, Institute of Medicine, University of Tsukuba
4. Department of Clinical Epidemiology and Health Economics, School of Public Health, University of Tokyo
5. Department of Clinical Medicine, University of Tsukuba
6. Department of Rehabilitation, Kameda Medical Center
7. Solutions Center for Health Insurance Claims, Kyoto University Hospital
8. Division of Medical Information Technology and Administration Planning, Kyoto University Hospital