[1] Chinese Peoples Liberat Army Gen Hosp, Med Ctr 5, Dept Radiat Oncol, Beijing, Peoples R China
[2] Tianjin Med Univ Canc Inst & Hosp, Natl Clin Res Ctr Canc, Dept Radiat Oncol, Key Lab Canc Prevent & Therapy, Tianjin, Peoples R China
[3] Chinese Peoples Liberat Army Gen Hosp, Med Ctr 5, Dept Breast Surg, Beijing, Peoples R China