[1] Peking Univ Third Hosp, YanQing Hosp, Dept Pathol, Beijing 102100, Peoples R China
[2] Tianjin Med Univ, Canc Inst & Hosp, Dept Canc Prevent Ctr, Natl Clin Res Ctr Canc,Key Lab Canc Prevent & Ther, Tianjin, Peoples R China
[3] Peking Univ Third Hosp, YanQing Hosp, Dept Urol, Beijing 102100, Peoples R China