1. Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, Guangdong 518116, P.R. China
2. Cancer Center and Department of Breast and Thyroid Surgery, Xiang'an Hospital of Xiamen University, Xiamen, Fujian 361100, P.R. China
3. Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China