1. Division of Health SciencesOsaka University Graduate School of Medicine Osaka Japan
2. Nakamura Clinic Osaka Japan
3. Hirotani Clinic Osaka Japan
4. Fukuda Clinic Osaka Japan
5. Tamatani Clinic Osaka Japan
6. Okuda Clinic Osaka Japan
7. Ikushima Clinic Hyogo Japan
8. Baba Clinic Osaka Japan
9. Nagano Clinic Osaka Japan
10. Department of Geriatric and General MedicineOsaka University Graduate School of Medicine Osaka Japan