[1] Chinese Acad Med Sci & Peking Union Med Coll, Natl Clin Res Ctr Canc, Natl Canc Ctr, Dept Urol,Canc Hosp, Beijing, Peoples R China
[2] Tianjin Med Univ, Gen Hosp, Dept Urol, Tianjin, Peoples R China
[3] Chinese Acad Med Sci & Peking Union Med Coll, Natl Clin Res Ctr Canc, Dept Hepatobiliary Surg, Natl Canc Ctr,Canc Hosp, Beijing, Peoples R China