[1] Sun Yat Sen Univ, Affiliated Hosp 3, Breast Canc Ctr, Guangzhou 510275, Guangdong, Peoples R China
[2] Sun Yat Sen Univ, Affiliated Hosp 3, Guangzhou 510275, Guangdong, Peoples R China
[3] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Mol Neurosurg Lab, Boston, MA USA