1. Department of Healthcare Epidemiology, School of Public Health in The Graduate School of Medicine, Kyoto University, Kyoto, Japan
2. Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
3. Department of Nephrology, Saku Central Hospital, Nagano, Japan
4. Saku Central Hospital, Nagano, Japan
5. Saku Central Hospital Advanced Care Center, Nagano, Japan
6. KOUMI Branch Hospital, Nagano, Japan
7. KOUMI Clinic, Nagano, Japan
8. Saku Central Hospital Health Services Facility for The Elderly, Nagano, Japan
9. Japan Institute of Rural Medicine, Nagano, Japan