[1] Peking Univ, Hosp 1, Renal Div, Beijing, Peoples R China
[2] Peking Univ, Inst Nephrol, Beijing, Peoples R China
[3] Minist Hlth China, Key Lab Renal Dis, Beijing, Peoples R China
[4] Peking Univ, Minist Educ, Key Lab Chron Kidney Dis Prevent & Treatment, Beijing, Peoples R China
[5] Acad Athens, Biomed Res Fdn, Athens, Greece
[6] NIEHS, Durham, NC 27709 USA
[7] Univ Tennessee, Coll Med, Hlth Sci Ctr, Dept Microbiol Immunol & Biochem, Memphis, TN 38163 USA