[1] Sun Yat Sen Univ, Ctr Canc, Dept Med Oncol, Guangzhou, Peoples R China
[2] Guangxi Med Univ, Affiliated Tumor Hosp, Guangxi, Peoples R China
[3] Puning Peoples Hosp, Puning, Peoples R China
[4] Guangzhou Panyu Cent Hosp, Guangzhou, Peoples R China
[5] Sun Yat Sen Univ, Dept Breast Oncol, Ctr Canc, Collaborat Innovat Ctr Canc Med,State Key Lab Onc, Guangzhou, Peoples R China