[1] Juntendo Univ, Fac Med, Dept Nephrol, Tokyo, Japan
[2] Miyazaki Univ, Fac Med, Dept Nephrol, Miyazaki, Japan
[3] Jikei Univ, Sch Med, Dept Internal Med, Div Nephrol & Hypertens, Tokyo, Japan
[4] Univ Miyazaki, Fac Med, Ctr Med Educ & Career Dev, Miyazaki, Japan
[5] Kyoto Univ Hlth Serv, Kyoto, Japan
[6] Fujita Hlth Univ, Sch Med, Dept Biomed Mol Sci, Toyoake, Aichi, Japan
[7] St Marianna Univ, Sch Med, Dept Internal Med, Div Nephrol & Hypertens, Kawasaki, Kanagawa, Japan
[8] Nagasaki Univ Hosp, Dept Nephrol, Nagasaki, Japan
[9] Kano Hosp, Med Corp Houshikai, Div Nephrol, Fukuoka, Japan
[10] Univ Ryukyus, Grad Sch Med, Dept Child Hlth & Welf, Okinawa, Japan
[11] Oita Univ, Fac Med, Dept Endocrinol Metab Rheumatol & Nephrol, Yufu, Japan
[12] Univ Miyazaki, Fac Med, Dept Hemovasc Med & Artificial Organs, Miyazaki, Japan
[13] Kanazawa Med Univ, Dept Nephrol, Uchinada, Ishikawa, Japan
[14] Saitama Med Univ, Dept Nephrol, Saitama, Japan
[15] Niigata Univ, Div Clin Nephrol & Rheumatol, Niigata, Japan