1. Department of Nephrology, Rheumatology, Endocrinology and Metabolism Okayama University Faculty of Medicine, Dentistry and Pharmaceutical Sciences Okayama Japan
2. Department of Chronic Kidney Disease and Cardiovascular Disease Okayama University Faculty of Medicine, Dentistry and Pharmaceutical Sciences Okayama Japan
3. Department of Internal Medicine Kagawa Rosai Hospital Marugame Kagawa Japan
4. Department of Pathophysiology Tokyo University of Pharmacy and Life Sciences Tokyo Japan
5. Public Health Informatics Unit, Department of Integrated Health Sciences, Graduate School of Medicine Nagoya University Nagoya Aichi Japan