1. Department of Nephrology, Nagoya City University Graduate School of Medicine , Nagoya , Japan
2. Department of Nephrology, Osaka University Graduate School of Medicine , Suita , Japan
3. Department of Advanced Medicine, Nagoya University Hospital , Nagoya , Japan
4. Department of Nephrology, Nagoya University Graduate School of Medicine , Nagoya , Japan
5. Showa University Research Administration Center
6. Department of Hygiene , Public Health, and Preventive Medicine, Graduate School of Medicine
7. Division of Nephrology, Department of Medicine, School of Medicine, Showa University , Tokyo , Japan
8. Medical and Research Center for Nephrology and Transplantation , Hyogo Prefectural Nishinomiya Hospital, Nishinomiya , Japan
9. Division of Nephrology, Endocrinology and Metabolism, Tokai University School of Medicine , Isehara , Japan
10. Division of Nephrology and Endocrinology, the University of Tokyo Hospital , Tokyo , Japan
11. Department of Medicine, Kidney Center, Tokyo Women's Medical University , Tokyo , Japan
12. Fukuoka Renal Clinic , Fukuoka , Japan
13. Division of Nephrology and Laboratory Medicine, Kanazawa University , Kanazawa , Japan