1. Division of Nephrology; Department of Medicine; Showa University School of Medicine; Tokyo Japan
2. Yokohama Daiichi Hospital; Yokohama Japan
3. Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
4. Shinraku-en Hospital; Niigata Japan
5. Osaka City University Graduate School of Medicine; Osaka Japan
6. Division of Nephrology; Department of Internal Medicine; Juntendo University Faculty of Medicine; Tokyo Japan
7. Department of Comprehensive Kidney Disease Research; Osaka University Graduate School of Medicine; Osaka Japan
8. Department of Blood Purification; Kidney Center; Tokyo Women's Medical University; Tokyo Japan
9. Department of Nephrology; Fukuoka Red Cross Hospital; Fukuoka Japan
10. Department of Internal Medicine; Kasugai Municipal Hospital; Nagoya Japan
11. Department of Artificial Organs; Tsuchiya General Hospital; Hiroshima Japan
12. Department of Hematology; Saitama Medical School; Saitama Japan
13. Pharmacovigilance Department; Chugai Pharmaceutical Co., Ltd.; Tokyo Japan
14. Department of Biostatistics, School of Public Health; The University of Tokyo; Tokyo Japan