[1] Peking Univ, Canc Hosp, Beijing, Peoples R China
[2] Peking Univ Third Hosp, Beijing, Peoples R China
[3] Beijing Canc Hosp, Beijing, Peoples R China
[4] Peking Univ Canc Hosp & Inst, Beijing, Peoples R China
[5] Univ Calif San Francisco, Dept Med, Helen Diller Family Comprehens Canc Ctr, San Francisco, CA USA
[6] Minist Educ, Key Lab Carcinogenesis & Translat Res, Beijing, Peoples R China
[7] Peking Univ Canc Hosp & Inst, Dept Breast Oncol, Beijing, Peoples R China