1. Department of Cardiovascular Medicine, Graduate School of Medical SciencesKumamoto University Kumamoto City Japan
2. Committee of Dialysis Facilities in Kumamoto Kumamoto Japan
3. Division of NephrologyAkebono Clinic Kumamoto Japan
4. Division of NephrologyKumamoto Central Hospital Kumamoto Japan
5. Community, Family, and General Medicine, Graduate School of Medical SciencesKumamoto University Kumamoto Japan